TOA Electronics FPS-S1U, FPS1000-24, FPS1000-32, FPS-T1U, FPS1000-48, FPS1000-12 User Manual

3.55 Mb

FPS SERIES 1000W In 1U

Front End Power Supplies

INSTRUCTION MANUAL

This Manual Cover Models:

FPS1000-12 FPS1000-24

FPS1000-32 FPS1000-48

FPS-S1U 19” Rack Single Output

FPS-T1U 19” Rack Triple Output

DWG NO: IA599-04-02-A

FPS1000 SERIES

INSTRUCTION MANUAL

DWG NO: IA599-04-02 A

TABLE OF CONTENTS

 

Warranty .................................................................................................................................

Pg. 1

FPS1000, FPS-S1U and FPS-T1U rack Safety instructions .................................................

Pg. 2

FPS1000 Power Supply

 

Chapter 1: FPS1000 Series Specifications ............................................................................

Pg. 4

Chapter 2: FPS1000 Series Outline drawings ........................................................................

Pg. 5

Chapter 3: FPS1000 Series Installation instructions ..............................................................

Pg. 7

Chapter 4: Functions and features .......................................................................................

Pg. 11

Chapter 5: Basic connections for operation .........................................................................

Pg. 14

Chapter 6: Parallel and Series operation .............................................................................

Pg. 16

Chapter 7: I2C BUS Interface option ....................................................................................

Pg. 19

Chapter 8: FPS1000 Maintenance ......................................................................................

Pg. 23

FPS-S1U rack

 

Chapter 9: FPS-S1U rack Specifications .............................................................................

Pg. 25

Chapter 10: FPS-S1U rack Installation instructions .............................................................

Pg. 26

Chapter 11: FPS-S1U and FPS-S1U/P Outline drawings ....................................................

Pg. 30

Chapter 12: Basic connections for operation .......................................................................

Pg. 32

Chapter 13: Parallel and Series operation ...........................................................................

Pg. 34

Chapter 14: FPS-S1U I2C BUS Interface option ..................................................................

Pg. 37

Chapter 15: FPS-S1U rack Maintenance .............................................................................

Pg. 38

FPS-T1U rack

 

Chapter 16: FPS-T1U rack Specifications ............................................................................

Pg. 40

Chapter 17: FPS-T1U rack Installation instructions .............................................................

Pg. 41

Chapter 18: FPS-T1U and FPS-T1U/P Outline drawings ....................................................

Pg. 45

Chapter 19: Basic connections for operation .......................................................................

Pg. 47

Chapter 20: Parallel and Series operation ...........................................................................

Pg. 49

Chapter 21: FPS-T1U I2C BUS Interface option ..................................................................

Pg. 51

Chapter 22: FPS-T1U rack Maintenance .............................................................................

Pg. 52

FPS1000 Instruction Manual

WARRANTY

This Densei-Lambda product is warranted against defects in materials and workmanship for a period of two years from date of shipment.

During the warranty period , Densei-Lambda will, at it's option, either repair or replace products which prove to be defective.

LIMITATION OF WARRANTY

The warranty shall not apply to defects resulting from improper or inadequate usage or maintenance by the buyer, buyer supplied products or interfacing. The warranty shall not apply to defects resulting from unauthorized modifications or from operation exceeding the environmental specifications of the product or if the Warranty seal has been removed or altered by anyone other than Densei-Lambda authorized personnel.

Densei-Lambda does not warrant the buyers circuitry or malfunctions of DenseiLambda products resulting from the buyer's circuitry. Furthermore, Densei-Lambda does not warrant any damage occurring as a result of the buyer's circuitry or the buyer's-supplied products.

No other warranty is expressed or implied.

WARRANTY SERVICE

This product must be returned to an authorized Densei-Lambda service facility for repairs or other warranty service. For products returned to Densei-Lambda for warranty service, the buyer shall prepay shipping charges to Densei-Lambda and Densei-Lambda shall pay the shipping charges to return the product to the buyer.

DISCLAIMER

The information contained in this document is subject to change without notice.

Densei-Lambda shall not be liable for errors contained in this document or for incidental or consequential damages in connection with the furnishing, performance, or use of this material. No part of this document may be photo-copied, reproduced or translated to another language without prior written consent of DenseiLambda.

1

FPS1000 POWER SUPPLY AND FPS-S1U RACK SAFETY INSTRUCTIONS

IMPORTANT SAFETY INSTRUCTIONS

Operating personnel must not remove the FPS1000, FPS-S1U and the FPS-T1U cover.

No internal adjustment or component replacement is allowed by non Densei-Lambda qualified service personnel. Never replace components with power cable connected. To avoid injuries,always disconnect power, discharge circuits and remove external voltage sources before touching components. These products are not authorized for use as critical components in nuclear control systems, life support systems or equipment for use in hazardous environments without the express written approval of the managing director of Densei-Lambda.

Restricted Access Area: The equipment should only be installed in a Restricted Access Area. Access should be available to service personnel only.

WICHTIGE SICHERHEITSHINWEISE

Bedienungspersonal oder Anwender duerfen die Gehaeuseabdeckung des FPS1000, FPS-S1U und desFPS-T1U nicht entfernen. Ersatzteiltausch - und Aenderungen duerfen nur von autorisiertem Densei-Lambda SERVICE-Personen bzw. Organisationen durchgefuehrt werden. Vor Austausch von Bauteilen ist das Netzkabel bzw. die Versorgungsspannung zu trennen.

Energieversorgungsanschluesse sind immer zu trennen, um Personenverletzungen durch gefaehrliche Energieinhalte und Spannungen auszuschliessen.

Die Stromkreise sind zu entladen, externe Spannungsquellen sind zu entfernen bevor Bauteile bzw. Komponenten getauscht werden.

Der direkte Zugriff auf das Racksystem ist nur dem geschulten Service-Personal erlaubt.

SAFETY APPROVALS

UL60950-1, UL Recognized, C-UL for canada. IEC/EN60950-1. CE marking, when applied to the FPS1000, FPS-S1U and the FPS-T1U products, indicates compliance with the Low Voltage Directive (73/23EEC) as modified by the CE Marking Directive (93/68EEC) in that it complies with EN60950-1.

SAFETY-CLASS OF INSULATION

The FPS1000, FPS-S1U and the FPS-T1U are designed for the following safety parameters: Material group IIIa, Pollution degree 2, Overvoltage category II, Class I (earthed), indoor use as part of an overall equipment such that the FPS product is accessible to service personnel only.

GROUNDING

These products are Safety Class I instruments. To minimize shock hazard, the instruments chassis must be connected to an electrical ground. The instruments must be connected to the AC power supply mains through a three conductor power cable, with the ground wire firmly connected to an electrical ground (safety ground) at the power outlet.

For instruments designed to be hard-wired to the supply mains, the protective earth terminal must be connected to the safety electrical ground before any other connection is made.

Any interruption of the protective ground conductor, or disconnection of the protective earth terminal will cause a potential shock hazard that might cause personal injury.

INPUT RATINGS

Do not use AC supply which exceeds the input voltage and frequency rating of these instruments. The input voltage and frequency rating is: 100-240V~ , 50/60Hz. For safety reasons, the mains supply voltage flactuations should not exceed +/- 10% of nominal voltage.

FPS-S1U RACK AC INPUT

CAUTION:

Risk of electrical shock and energy hazard. Disconnecting one power supply disconnects only one power supply module. To isolate the unit completely, disconnect all power supplies.

ACHTUNG:

Spannungsfuehrende Teile - Gefahr durch elektrischen Schlag order hohe Energieinhalte.

Alle Netzstecker der einzelnen Komponenten bzw. der Einschuebe muessen getrennt werden, damit das System “spannungsfrei” ist.

2

FPS1000 Instruction Manual

ATTENTION:

Risque de choc et de danger e'lectriques. Le de'branchement d'une seule alimenttation stabilise'e ne de'branche uniquement qu'un module "Alimentation Stabilise'e".

Pour isoler completement le module en cause, il faut de'brancher toutes les alimentations stabilise'es.

SAFETY SYMBOLS

CAUTION Risk of Electrical Shock.

Instruction manual symbol. The instrument will be marked with this symbol when it is necessary for the user to refer to the instruction manual.

Indicates hazardous voltage.

Indicates ground terminal.

Protective Ground Conductor Terminal

Denotes hazard. An attention to a procedure is called. Not following the procedure correctly could result in personal injury. A WARNING sign should not be skipped and all indicated conditions must be fully understood and met.

Denotes hazard. An attention to a procedure is called. Not following the procedure correctly could result in damage to the equipment.

ENERGY HAZARD

The FPS1000, FPS-S1U and the FPS-T1U products are capable of providing hazardous energy.

Manufacturers final equipment must provide protection to service personnel against inadvertent contact with these models output terminals. If set such that hazardous energy can occur then the output terminals or connections therefore must not be user accessible.

OVERCURRENT PROTECTION:

A readily accessible Listed branch circuit overcurrent protective device rated 20 A must be incorporated in the building wiring.

SERIAL OPERATION

The FPS-T1U product is capable of providing hazardous voltage output in case of the serial connection of two or more FPS1000 units in the rack. Manufacturers final equipment must provide protection to service personnel against inadvertent contact with these models output terminals. If set such that hazardous voltage can occur then the output terminals or connections therefore

FUSES

There are no user replaceable fuses in the FPS1000, FPS-S1U and the FPS-T1U products. Internal fuses are sized for fault protection and if a fuse was opened it would indicate that service is required. Fuse replacement should be made by qualified technical personnel.

FPS-S1U and FPS-T1U racks contains no fuses. FPS1000 fuses rating are described below. F101: F20A H 250Vac

F102: 6.3A 400Vdc

SICHERHEITSHINWEISE

Vor Anschluss an die Netzversorgung ist die Aufstellanleitung zu beachten!

1.Absicherung: F101: F20A H 250VAC, F102: 6.3A 400VDC

2.Der maximale Ableitstrom der Gesamtanlage darf 3.5mA nicht ueberschreiten.

3.Die Gehaeuseabdeckung darf nur im stromlosen Zustand geoeffnet werden.

ACHTUNG:

Sicherungen duerfen nur durch geschulte Service Personen getauscht werden.

3

CHAPTER 1 FPS1000 SERIES SPECIFICATIONS

 

FPS1000 SERIES SPECIFICATIONS

 

FPS1000-12

 

 

FPS1000-24

 

 

FPS1000-32

 

FPS1000-48

1

Rated output voltage

 

V

12

 

24

 

32

 

 

48

2

Output voltage set point

 

V

12+/-1%

 

24+/-1%

 

32+/-1%

 

 

48+/-1%

3

Output voltage range

 

V

10.5~13.2

 

21.5~29

 

28.8~38.4

 

 

43~58

4

Maximum Output Current (Refer to Fig.1)

 

A

72

 

40

 

31

 

 

21

5

Maximum output power

 

W

864

 

960

 

992

 

 

1008

6

Input voltage / frequency range

(*1)

---

 

 

 

85~265Vac continuous, 47~63Hz, Single phase

 

7

Maximum input current (at 100/200Vac)

 

A

 

 

 

 

12.0/6.0

 

 

 

8

Power Factor (Typ)

 

---

 

>0.98 at 115/230V and maximum output power

 

9

Efficiency (Typ)

(*2)

%

81/83%

 

 

84/86%

 

 

84/86%

 

 

85/88%

10

Inrush current

(*3)

A

 

 

 

Less than 40A

 

11

Hold-up time

 

mS

20mS typical at 100Vac input, rated output voltage and less than 80% of rated load.

12

Maximum line regulation

(*5)

---

 

 

 

 

0.40%

 

 

 

13

Max load regulation

(*6)

---

 

 

 

 

0.80%

 

 

 

14

Output Ripple and noise pk-pk

(*4)

mV

150

 

 

200

 

 

250

 

 

300

 

 

 

 

15

Temperature stability

 

---

0.05% of rated Vout for 8hrs after 30min warm-up. Constant line, load and temperature.

16

Temperature coefficient

 

PPM/°C

 

 

 

 

200

 

 

 

17

Remote sensing

(*7)

V

 

 

 

Possible. Refer to Instruction Manual.

 

18

Parallel operation

(*9)

---

 

 

 

Possible. Refer to Instruction Manual.

 

19

Series operation

 

---

 

 

 

Possible. Refer to Instruction Manual.

 

20

Over current protection

 

---

 

105~125% of maximum output current. Refer to Fig. 1

21

Over voltage protection

(*8)

V

14.3~15.7

31~34

 

 

41.5~45.5

 

 

62~66

22

Over temperature protection

 

---

 

 

 

Inverter shut down method, automatic reset.

 

23

Remote On/Off control

 

---

By electrical signal or dry contact. ON: 0~0.6V or short. OFF: 2~15V or open.

24

DC OK signal

 

---

Open collector signal. On when Vout>80+/-5% rated output. Max.sink current: 10mA

25

Over-Temp. warning

 

---

 

Open collector signal. Refer to Instruction Manual

 

26

AC fail signal

 

---

 

Open collector signal. Refer to Instruction Manual

 

27

Auxiliary power supply

 

---

 

 

 

11.2~12.5VDC. 0.25A Maximum output current.

 

28

Vout voltage trimming

 

---

Possible, via Vout Trim pin in the I/O connector. Refer to Instruction Manual.

29

Front panel indicators

 

---

 

 

 

AC OK, DC OK, DC FAIL

 

30

I2C Interface

 

---

 

 

 

Optional. Refer to Instruction Manual.

 

31

Operating temperature-models without IEC inlet

---

0~50°C: 100% load. Derate 2%/°C, 50°C to 60°C, Derate 2.5%/°C, 60°C to 70°C.

 

models with IEC inlet

---

 

0~50°C: 100% load. Derate 2%/°C, 50°C to 60°C.

 

32

Storage temperature

 

---

 

 

 

 

-30~85°C

 

33

Operating humidity

 

---

 

 

 

10~90% RH, no condensation.

 

34

Storage humidity

 

---

 

 

 

10~95% RH, no condensation.

 

35

Cooling

 

---

 

 

 

By internal Fans. Variable speed control.

 

36

Vibration

 

---

 

 

 

Built to meet ETS 300 019

 

37

Shock

 

---

 

 

 

Built to meet ETS 300 019

 

38

Conducted emission

(*10)

---

 

 

 

EN55022B, FCC part 15J-B, VCCI-B

 

39

Radiated emission

 

---

 

 

 

EN55022B, FCC part 15J-B, VCCI-B

 

40

Applicable safety standards

 

---

 

 

 

UL60950-1, EN60950-1

 

41

Withstand voltage

 

---

Input-Output: 3000Vrms, 1min. Input-Ground: 2000Vrms, 1min. Output-Ground: 500Vrms,1min.

42

Insulation resistance

 

---

More than 100Mohm at 25° C and 70% RH. Output-Ground: 500Vdc

43

Leakage current

 

mA

 

 

 

Less Than 1.1mA at 230Vac

 

44

Weight (Typ)

 

Kg

 

 

 

 

2.0

 

 

 

45

Size (W*H*D)

 

---

 

 

 

127x41x290mm. Refer to Outline Drawing.

 

Notes:

*1: For cases where conformance to various safety standards (UL, EN etc.) is required, to be described as 100-240Vac (50/60Hz).

*2: At 100/200Vac, rated load and 25˚C ambient temperature.

*3: Not applicable for the noise filter inrush current less than 0.2mS. *4: Measured with JEITA RC-9131A 1:1 probe, 20MHz B.W.

*5: From 85~132Vac or 170~265Vac, constant load.

*6: From No-load to Rated load, constant input voltage. Measured at the sensing point in Remote sense. *7: Remote sensing can compensate up to 1V drop on each load wire.

*8: Inverter shut down method. Reset by AC voltage recycle or by On/Off control. *9: Derate Maximum output power by 10% for input voltage less than 100V RMS. *10 For FPS 1000-12/P(S), when used not with FPS-S1U or FPS-T1U

racks, an EMI suppressor clamp should be attached to the AC cable, as close as possible to the AC inlet, to meet class B.

Vout (V)

V2

Model

FPS1000

FPS1000

FPS1000

FPS1000

V/I

-12

-24

-32

-48

V1 (V)

12

24

32

48

V2 (V)

13.2

29

38.4

58

I1 (A)

66

33

26

17.25

I2 (A)

72

40

31

21

V1

I1

I2

Iout (A)

 

Fig. 1: Rated output current vs output voltage

4

FPS1000 Instruction Manual

CHAPTER 2 OUTLINE DRAWINGS

1.2 FPS 1000 SERIES OUTLINE DRAWINGS

5

2.2 FPS 1000/P SERIES OUTLINE DRAWINGS

6

FPS1000 Instruction Manual

CHAPTER 3 FPS1000 POWER SUPPLY INSTALLATION

3.1 GENERAL

This chapter contains instructions for initial inspection, preparation for use and repackaging forshipment.

NOTE

FPS1000 power supplies series generate magnetic field which might affect the operation of other instruments. If your equipment is susceptible to magnetic fields, do not position it adjacent to the FPS1000 unit.

3.2 PREPARATION FOR USE

In order to be operational the power supply must be connected to an appropriate AC source.

The AC source voltage should be within the power supply specification. Do not apply power before reading sections 3.6 and 3.7.

Table 3-1 below describes the basic setup procedure. Follow the instructions in Table 3-1 in the sequence given to prepare the power supply for use.

Step no

Item

Description

Reference

1

Inspection

Initial physical inspection of the power supply

Section 3.3

2

Installation

Installing the power supply.

Section 3.4

 

 

Ensuring adequate ventilation.

Section 3.5

3

AC source

AC source requirements

Section 3.6

4

Load connection

Wire size selection. Local / Remote

Section 3.7

 

 

sensing. Single or multiple loads.

 

Table 3-1: Basic setup procedure

 

 

3.3 INITIAL INSPECTION

Prior to shipment this power supply was inspected and found free of mechanical or electrical defects. Upon unpacking of the power supply, inspect for any damage which may have occurred in transit. The inspection should confirm that there is no exterior damage to the power supply.

Keep all packing material until the inspection has been completed. If damage is detected , file a claim with carrier immediately and notify the Lambda sales or service facility nearest you.

3.4 FPS1000 MOUNTING

The FPS1000 power supplies series is designed to fit in the FPS-S1U and FPS-T1U, 19" rack, or in an equivalent rack designed for the FPS1000 power supply.

The FPS1000 is secured to the rack using the spring lock device, located at the FPS1000 front panel. Refer to the FPS1000 and the FPS-S1U and FPS-T1U outline drawings in Chapter 2, Chapter 11 and Chapter 18.

When installation using mounting screws is required, the FPS1000 can be secured to the equipment using the M3 mounting holes at its bottom surface. Refer to the FPS1000 outline drawings.

3.5 LOCATION MOUNTING AND COOLING

This power supply is fan cooled. The air intake is at the front panel and the exhaust is at the rear panel. Upon installation allow cooling air to reach the front panel ventilation inlets and allow minimum 50mm of unrestricted air space at the rear of the unit for the air exhaust.

3.6 AC SOURCE REQUIREMENTS

The FPS1000 series can be operated from a nominal 100V to 240V, single phase, 47~63Hz. Refer to the specifications in chapter 1 for the input voltage range and the current required.

Ensure that under heavy load, the AC voltage supplied to the power supply does not fall below the "low limit" specifications.

CAUTION

 

WARNING

Connection of this power supply to an AC power source should be made by an electrician or other qualified personnel.

There is a potential shock hazard if the power supply chassis and cover are not connected to an electrical safety ground via the safetyground in the AC input connector.

7

3.7 CONNECTING THE LOAD

WARNING

Turn off the AC input power before making or changing any rear panel connection. Ensure that all connections are securely tightened before applying power. There is a potential shock hazard when using a power supply with a rated output greater than 40V.

3.7.1 Load Wiring.

The following considerations should be made to select wiring for connecting the load to the power supply: * Current carrying capacity of the wire (refer to 3.7.2).

*Insulation rating of the wire should be at least equivalent to the maximum output voltage of the power supply.

*Maximum wire length and voltage drop (refer to 3.7.2).

*Noise and impedance effects of the load wiring (refer to 3.7.3).

3.7.2 Current Carrying Capacity

Two factors should must be considered while selecting the wire size. 1.Wires should be at least heavy enough not to overheating while carrying the power supply load current at the rated load, or the current that would flow in the event the load wires were shorted, whichever is greater.

2.Wire size should be selected to enable voltage drop per lead to be less than 1.0V at the rated current. Please refer to Tables 3-2 and 3-3 for maximum wire length to limit the voltage drop in American and European dimensions respectively.

wire size

Resistivity

Maximum length in Feet to limit voltage

 

 

AWG

Ohm/kft

drop to 1V or less.

 

 

 

 

 

 

5A

10A

20A

 

50A

150A

14

2.526

80

40

20

 

8

2

12

1.589

120

60

30

 

12

3.4

10

0.9994

200

100

50

 

20

6

8

0.6285

320

160

80

 

32

10

6

0.3953

500

250

125

 

50

16

4

0.2486

800

400

200

 

80

26

2

0.1564

1200

600

300

 

125

40

0

0.0983

2000

1000

500

 

200

68

Table 3-2:Maximum wire length for 1V drop on lead (in feet).

Cross sect.

Resistivity

Maximum length in meters to limit voltage

 

 

Area

Ohm/km

drop to 1V or less.

 

 

 

 

(mm^2)

 

5A

10A

20A

 

50A

150A

2.5

8.21

24.0

12.0

6.0

 

2.4

0.8

4

5.09

39.2

18.6

9.8

 

4.0

1.4

6

3.39

59.0

29.4

14.8

 

5.8

2.0

10

1.95

102.6

51.2

25.6

 

10.2

3.4

16

1.24

160.0

80.0

40.0

 

16.0

5.4

25

0.795

250.0

125.0

62.0

 

25.2

8.4

35

0.565

354.0

177.0

88.0

 

35.4

11.8

Table 3-3:Maximum wire length for 1V drop on lead (in meters).

For currents not shown in Tables 3-2 and 3-3 , use the formula : Maximum length=1000/(current*resistivity)

Where current is expressed in ampers and resistivity in ohms/km or ohms/1000ft.

8

FPS1000 Instruction Manual

3.7.3 Noise and Impedance Effects

To minimize the noise pickup or radiation, the load wires and remote sense wires should be twisted-pairs of the shortest possible length. Shielding of the sense leads may be necessary in high noise environments. Even if noise is not a concern, the load and remote sense wires should be twisted-pairs to reduce coupling between them, which might impact the stability of power supply. The sense leads should be separated from the power leads.

Twisting the load wires reduces the parasitic inductance of the cable which could produce high frequency voltage spikes at the load and the output of power supply because of current variation in the load itself. The impedance introduced between the power supply output and the load could make the ripple and noise at the load worse than the noise at the power supply rear panel output. Additional filtering with bypass capacitors at the load terminals may be required to bypass the high frequency load current.

3.7.4 Inductive loads

To prevent damage to the power supply from inductive kickback, a diode should be connected across the output. The diode voltage and current rating should be greater than the power supply maximum output voltage and current rating. Connect the cathode to the positive output and the anode to the negative output. Where positive load transients such as back EMF from a motor may occur, connect a surge suppressor across the output to protect the power supply. The breakdown voltage rating of the suppressor must be approximately 10% higher than the maximum output voltage of the power supply.

3.7.5 Making the load connections

!WARNING

Hazardous voltages may exist at the outputs and the load connections when using a power supply with a rated output greater than 40V. To protect personnel against accidental contact with hazardous voltages, ensure that the load and it's connections has no accessible live parts.

Ensure that the load wiring insulation rating is greater than or equal to the maximum output voltage of the power supply.

 

3.7.6 Front panel controls and indicator

 

1

2

 

 

3

4

5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Fig. 3-1: FPS1000 front panel

1

2

3

4

6

5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1:Handle

2:DC OK green LED, on when the output voltage is above 80% +/- 5% of its rated value.

3:DC Fail red LED, on when the output voltage is lower than 80% +/- 5% of its rated value.

4:AC OK green LED, on when the input voltage is higher than 85Vrms

5:Lock/Unlock lever. Automatically locks the power supply to the FPS-S1U rack chassis when the FPS1000 power supply is inserted. Push the Lock/Unlock lever toward the power supply cooling fan to withdraw

the FPS1000 from the rack.

6:IEC320 AC inlet

Fig. 3-2: FPS1000/P front panel

9

3.7.7 Input/Output connector information

The FPS1000 series uses male connector PCIB24W9M400A1, Positronic connector. To mate FPS1000 series to the load circuitry, use female connector PCIB24W9F400A1-S1031, Positronic connector. Refer to Table 3-4 and to the Outline drawing in chapter 2 for the connector pinout description.

Pin No

Function

Description

1,2,4

+V

Positive output voltage. Maximum current capacity: 24A/contact.

3,5,6

-V

Negative output voltage. Maximum current capacity: 24A/contact.

7

On/Off control

Turns the output to On and Off by electrical signal or dry contact between pin 7

 

 

and pin 10 (Signal Return). 0~0.6V or Short: On, 2~15V or Open: Off.

 

 

The maximum source current is 2.6mA.

8

+Sense

Positive sensing. The +Sense signal should be connected to the positive terminal

 

 

of the load. The +Sense and -Sense leads should be twisted pair to minimize noise

 

 

pick-up effect. The maximum load wires drop compensation is 1V/wire.

 

 

 

9

DC_OK

Open collector signal, referenced to pin 10 (Signal Return). On when Vout80%+/-

 

 

5% of its rated value. The maximum sink current is 10mA and the maximum

 

 

external voltage is 15V.

10

Signal_Return

Return for the following control and supervisory signals: On/Off, DC_OK,

 

 

Over_temperature Alarm, AC_Fail, Auxiliary 12V supply. The Signal return is isolated

 

 

from the output terminals.

11

AC_Fail

Open collector signal, referenced to pin 10 (Signal Return). On when the input

 

 

voltage is 85Vrms. The maximum sink current is 10mA and the maximum external

 

 

voltage is15Vdc.

12

Over

Open collector signal, referenced to pin 10 (Signal Return). On when the internal

 

Temperature

temperature is within safe limit, Off approx. 10°C below Thermal shut down. The

 

Alarm

maximum sink current is 10mA and the maximum external voltage is 15V.

 

 

 

13

-Sense

Negative sensing. The -S signal should be connected to the negative terminal of

 

 

 

 

the load. The -S and +S leads should be twisted pair to minimize noise pick-up

 

 

effect. The maximum load wires drop compensation is 1V/wire.

 

 

 

14

V_Trim

Connection for output voltage trimming. The voltage can be trimmed within its

 

 

 

 

range specifications.

 

 

 

15

CS

Current sharing signal. When units are connected in parallel, the CS pins of the

 

 

units should be connected to allow current balance between units.

16

+12V Auxiliary

Auxiliary voltage output, 11.2~12.5V, referenced to pin 10 (Signal Return). The

 

 

maximum load current is 0.25A. This output has built in Oring diode and is not

 

 

controlled by the On/Off control.

 

 

 

17

SDA

Serial Data used in the I2C interface option. Refer to the I2C interface description.

18

SCL

Serial Clock used in the I2C interface option. Refer to the I2C interface description.

19,20,21

A0, A1, A2

I2C interface address lines. Refer to the I2C interface description in Chapter 7.

22

ACG

AC Ground connection, refer to the safety instructions for safety standards requirements.

 

 

For "/P" models the AC Ground is connected via the front panel IEC inlet.

23

AC Line

AC Line connection, refer to the safety instructions for safety standards requirements.

 

 

For "/P" models the AC Line is connected via the front panel IEC inlet.

24

AC Neutral

AC Neutral connection, refer to the safety instructions for safety standards requirements.

 

 

For "/P" models the AC Neutral is connected via the front panel IEC inlet.

Table 3-4: Rear In/Out connector pins function description

3.7.8 REPACKAGING FOR SHIPMENT

The original packaging material is reusable. If the original package is not available, contact the Lambda Sales or service facility near you for details on obtaining suitable packaging and shipping information. To ensure safe transportation of the instrument, it is recommended to use the original package.

Please attach a tag to the power supply describing the problem and specifying the owner, model number and serial number of the power supply.

10

FPS1000 Instruction Manual

CHAPTER 4 FUNCTIONS AND FEATURES

4.1 Input Voltage Range

Input voltage is single phase 85~265Vac (47~63Hz). The power supply can be operated also with a DC input voltage, 120~330VDC but the safety approvals apply to the AC voltage only. Input voltage which is out of the specifications might cause damage to the unit.

4.2 Output voltage trimming

The output voltage can be adjusted within the specifications via the V_Trim pin at the In/Out connector. Refer to Fig 4-1 typical connection and calculation of the adjustment resistors:

Note that the Over Voltage Protection may trigger if the output voltage exceeds the maximum voltage specification.

 

+V

 

 

FPS1000-12:

 

+S

 

 

 

 

R2=0.0324*V2out -1.1298*Vout+9.9342

 

 

 

 

8

 

 

 

 

 

 

R1 KΩ

R1(KΩ)=5(KΩ)-R2(KΩ)

FPS1000

 

 

 

 

 

 

 

 

 

14

V_trim

 

 

FPS1000-24:

 

 

 

 

 

 

R2=0.0785*V2out -5.819*Vout+105.132

13

-S

 

R2 KΩ

R1(KΩ)=20(KΩ)-R2(KΩ)

 

FPS1000-32:

 

 

 

 

 

 

 

 

 

 

 

 

R2=0.0463*V2out -4.5805*Vout+109.49

 

 

 

 

 

 

Fig 4-1

-V

 

 

R1(KΩ)=20(KΩ)-R2(KΩΩ)

FPS1000-48: R2=0.0497*V2out-7.2795*Vout+259.04

R1(KΩ)=50(KΩ)-R2(KΩ)

4.3 Over Voltage Protection (OVP)

The OVP triggers when the output voltage exceeds the maximum rating and reaches the OVP limit. When the OVP is triggered, the output voltage shuts down. In order to resume operation, the AC input voltage should be removed for more than 30 sec. The OVP level is factory set and is not adjustable.

4.4 Over Current Protection (OCP)

A constant current limiting with automatic recovery is provided. The OCP operates when the output current exceeds 105%~125% of the rated output current. The output voltage recovers automatically when the overload condition is removed. Avoid operating the power supply under overload condition for long time as it might cause damage to the power supply.

4.5 Over Temperature Protection (OTP)

The OTP is activated when the ambient temperature or the power supply internal temperature exceeds a safe temperature. When the OTP is activated, the power supply output shuts down. The output recovers automatically when the ambient temperature or the internal temperature cools to a safe limit.

4.6 Auxiliary 12V output

An isolated 11.2V~12.5V output is provided (Referenced to the Signals_Return potential). The maximum output current from this output is 0.25A. This output has a built-in Oring diode to allow paralleling FPS1000 units. Use this output for the control and monitoring signals described in this chapter or to operate application circuits.

4.7 Over Temperature Alarm

An open collector output provides an Over Temperature Alarm approx. 10°C below shut down by the OTP. The open collector output is referenced to the Signals_Return potential and is isolated from the power supply +V and -V terminals

The maximum sink current is 10mA and the maximum external voltage is 15V. Refer to Fig 4-2 for typical application.

16 12V aux

FPS1000

10KΩ

12

Over temperature alarm

10

Signals return

Fig 4-2

11

4.8 DC_OK signal

An open collector output provides a low output voltage detection signal. The open collector output is on when the output voltage is higher than 80%+/-5% of the rated output voltage of the power supply.

The open collector output is referenced to the Signals_Return potential and is isolated from the power supply +V and -V terminals

The maximum sink current is 10mA and the maximum external voltage is 15V. Refer to Fig 4-3 for typical application.

FPS1000

Fig 4-3

16

12V aux

 

10KΩ

9

 

 

DC_OK

10

 

 

Signals return

4.9 AC_Fail signal

An open collector output provides a low AC input voltage detection signal. The open collector output is on when the input voltage is 85Vac or higher.

The open collector output is referenced to the Signals_Return potential and is isolated from the power supply +V and -V terminals

The maximum sink current is 10mA and the maximum external voltage is 15V. Refer to Fig 4-4 for typical application.

16 12V aux

FPS1000

10KΩ

11

AC_Fail signal

10

Signals return

Fig 4-4

4.10 Remote On/Off control

A Remote On/Off control input is provided. The Remote On/Off input is isolated from the power supply +V and -V terminals and is referenced to the Signals_Return potential. The Remote On/Off can be operated either by electrical signal or by dry contact.

(1) Operation by electrical signal: 0~0.6V: Output is On. 2~15V: Output is Off.

The maximum sink current is 2.6mA and the maximum external voltage is 15V.

(2) Operation by dry contact (relay or switch):

Short between On/Off input and Signals Return: Output is On. Open circuit between On/Off input and Signals Return: Output is Off.

When the Remote On/Off function is not used, connect a short circuit between the On/Off control and the Signals_Return. Refer to Fig 4-5 for the remote On/Off circuit description:

 

16

12V aux

FPS1000

4.7KΩ

I source 2.6mA max, 15Vdc max.

 

7

 

 

 

 

On/Off control

 

10

 

 

 

Signals return

Fig 4-5

12

FPS1000 Instruction Manual

4.11 Remote Sensing

The Remote sensing compensates voltage drop on the load wiring. The maximum voltage drop on each wire is 1V, however, it is recommended to minimize the voltage drop on the load wires to improve the response to load current changes.

In case that the sensing wires are long, use separate twisted pair wires for the sensing and for the load wires to minimize noise pick-up.

It is recommended to connect electrolytic capacitors in the following locations:

1)Across the load terminals

2)Between the "+S" terminal and the "+V" terminal of the power supply.

3)Between the "-S" terminal and the "-V" terminal of the power supply. Refer to Fig 4-6 for typical connection of remote sensing.

+S

8

 

 

 

FPS1000

+

 

+V

+

1,2,4

LOAD

 

3,5,6

-V

-

-S

+

 

13

 

Fig 4-6

13

CHAPTER 5 BASIC CONNECTIONS FOR OPERATION

5.1 Connecting single load, Local sensing

Local sensing is suitable for applications where load regulation is not critical. Fig 5-1 shows recommended load and sensing connections for applications with a single load.

 

 

+V

1,2,4

+

 

 

 

FPS1000

 

+S

8

 

 

 

 

LOAD

 

 

 

 

 

 

-S

13

 

SIGNAL

ON/

 

 

-V

 

-

RTN

OFF

3,5,6

10

7

 

 

 

 

 

Fig 5-1: single load connection, local sensing

*In Local sense applications, the +/- sense have to be connected to the +/-V terminals of the FPS1000 units prior the operating the FPS1000 units

5.2 Connecting Single Load, Remote Sensing

Remote sensing is used in cases where the load regulation is important at the load terminals. Use twisted or shielded wires to minimize noise pick-up. If shielded wires are used, the shield should be connected to the ground at one point, either the power supply side or the load. The optimal point for the shield ground should be determined by experimentation. Refer to the power supply specifications for the maximum voltage drop allowed at the load wires.

 

 

 

Load line.

 

 

1,2,4

Up to 1V drop.

 

+V

+

 

8

FPS1000

+S

 

 

 

LOAD

 

 

-S

13

 

SIGNAL

ON/

3,5,6

 

-V

-

RTN

OFF

 

10

7

 

Sense lines

Load line.

 

 

 

Twisted pairs

Up to 1V drop.

Fig 5-2: Remote sensing, single load.

5.3 Connecting Multiple loads, radial distribution method

In cases of multiple loads connected to one supply, each load should be connected to the power supply's output terminals using separate pairs of wires. It is recommended that each pair of wires will be as short as possible and twisted or shielded to minimize noise pick-up and radiation.

The sense wires should be connected to the power supply output terminals or to the load with the most critical load regulation requirement.

 

 

+V

1,2,4

+

LOAD # 1

 

 

 

-

FPS1000

 

+S

8

 

 

 

 

 

 

 

 

 

13

+

LOAD # 2

 

 

-S

-

SIGNAL

ON/

 

RTN

OFF

-V 3,5,6

 

 

10

7

+

 

 

 

LOAD # 3

 

 

 

 

-

Fig 5-3: Multiple loads connection , radial distribution

14

FPS1000 Instruction Manual

5.4 Multiple loads connection with distribution terminals

If remotely located output distribution terminals are used, the power supply output terminals should be connected to the distribution terminals by a pair of twisted or shielded wires. Each load should be separately connected to the remote distribution terminals (see Fig 5-4). If remote sensing is required, the sensing wires should be connected to the distribution terminals or at the most critical load.

 

 

 

1,2,4

+V

 

 

 

 

+V

 

+

LOAD # 1

 

 

 

 

-

FPS1000

 

+S

8

 

 

 

 

 

 

 

 

 

 

 

13

 

+

LOAD # 2

 

 

-S

 

-

SIGNAL

ON/

 

 

RTN

OFF

-V

3,5,6

 

 

 

10

7

 

 

+

 

 

 

-V

LOAD # 3

 

 

 

 

-

 

 

 

 

 

Fig 5-4: Multiple loads connection with distribution terminal

5.5 Grounding outputs

Either the positive or negative output terminals can be grounded. To avoid noise problems caused by common-mode current flowing from the load to ground, it is recommended to ground the output terminal as close as possible to the power supply's output. Always use two wires to connect the load to the power supply regardless of how the system is grounded.

15

CHAPTER 6 PARALLEL AND SERIES OPERATION

6.1 Parallel operation

Up to 8 FPS1000 units of the same output voltage rating can be connected in parallel. By connecting the CS signal between the paralleled units, automatic current balance is achieved, with +/-10% accuracy. Derate the total output current by 10% when using parallel operation to prevent overload condition.

The built-in Oring diodes on the main output and the 12V Auxiliary output allow N+1 operation. For input voltages less than 100Vac, maximum output Power derated by 10% of the Power rating.

6.1.1 Parallel operation with Remote sensing

Fig 6-1 shows typical connection of parallel operation with Remote sensing. The CS signal wires should be as short as possible and with the same length.

FPS1000

#1

 

+V

 

+S

 

+S

 

 

 

 

 

 

 

 

 

SIG.

ON/

-S

 

-S

 

 

-V

 

CS

 

RTN

OFF

 

 

15

10

7

 

 

+S

FPS1000

#2

 

+V

+S

+V

 

+S

 

 

 

 

 

 

LOAD

 

 

 

 

-S

 

 

 

SIG.

ON/

-S

 

 

 

-V

-V

CS

 

RTN

OFF

 

15

10

7

 

 

 

 

 

 

 

 

 

-S

FPS1000

#N

 

+V

+S

 

 

+S

 

 

 

 

 

 

 

 

 

SIG.

ON/

-S

-S

 

 

 

-V

 

CS

 

RTN

OFF

 

 

15

10

7

 

 

 

Fig 6-1: Parallel operation with Remote sensing

6.1.2 Output voltage trimming at parallel operation

The output voltage of the units connected in parallel can be made by a single trimmer or resistive divider as shown in Fig 6-2.

V TRIM

FPS1000 #1

+S

SIG. ON/

CS RTN OFF -S

15

10

7

 

V TRIM

 

 

 

 

 

 

 

 

 

 

 

 

V TRIM

+V

+S

 

FPS1000

#2

 

 

 

+S

 

 

R1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SIG.

ON/

-S

 

 

 

CS

 

RTN

OFF

 

-S

R2

 

 

 

 

 

-V

15

10

7

 

 

 

 

 

V TRIM

FPS1000 #N

 

SIG.

ON/

+S

 

-S

CS

RTN

OFF

15

10

7

 

FPS1000-12:

R2=0.0324*V2out -1.1298*Vout+9.9342 R1(KΩ)=5(KΩ)-R2(KΩ)

FPS1000-24:

R2=0.0785*V2out -5.819*Vout+105.132 R1(KΩ)=20(KΩ)-R2(KΩ)

FPS1000-32:

R2=0.0463*V2out -4.5805*Vout+109.49 R1(KΩ)=20(KΩ)-R2(KΩΩ)

FPS1000-48: R2=0.0497*V2out-7.2795*Vout+259.04 R1(KΩ)=50(KΩ)-R2(KΩ)

Fig 6-2: Output voltage trimming at parallel operation

16

FPS1000 Instruction Manual

6.1.3 Signal Return bus at parallel operation

The Signal Return of each paralleled unit can be connected together to form a common Signal Return bus.

By this way, the control and monitoring signals of the paralleled units can be connected to the same control and monitoring circuitry.

The Signal Return bus can be connected to the -V or -S or +V or -S or float. Fig 6-3 shows typical connection of the Signal Return at parallel operation.

FPS1000 #1 AC_FAIL

9, 11, 12

 

DC_OK

 

 

OVER-TEMP

 

 

ALARM

 

 

SIG.

10

 

 

 

RETURN

 

 

FPS1000 #2 AC_FAIL

9, 11, 12

CONTROL AND

DC_OK

 

MONITORING CIRCUITS

OVER-TEMP

 

 

 

ALARM

 

 

SIG.

10

FPS1000 #1 SIGNALS

 

RETURN

 

 

 

 

FPS1000 #2 SIGNALS

FPS1000 #N AC_FAIL

9, 11, 12

FPS1000 #N SIGNALS

DC_OK

 

OVER-TEMP

 

 

ALARM

 

 

SIG.

10

SIGNALS RETURN

 

RETURN

 

 

Fig 6-3: Signal Return connection at parallel operation

6.1.4 Remote On/Off control at parallel operation

The paralleled units can be turned On or Off via a single On/Off control. Refer to Fig 6-4 for typical application. The Signal Return function of all the paralleled units should be connected together to create a common Signal Return bus. The Signal Return bus may be connected to the -V or the +V potential or floated. In any case do not connect the Signal Return bus to different potentials.

7

FPS1000 #1 ON/OFF

SIG. 10

RETURN

7

FPS1000 #2 ON/OFF

SIG.

10

ON

OFF

 

RETURN

 

 

 

7

FPS1000 #N ON/OFF

SIG. 10

RETURN

Fig 6-4: Remote On/Off control at parallel operation

17

6.2 Series operation

Two units can be seriesly connected to increase the output voltage or to create a bipolar voltage source. It is recommended to connect diodes in parallel with each output to prevent reverse voltage in case of failure in one of the power supplies. Each diode should be rated to at least the power supply rated output voltage and output current. Refer to Fig 6-5 and 6-6 for typical lseries connection of power supplies.

Series connection for increased output voltage.

FPS1000

#1

 

+S

 

 

+V

 

 

 

 

+S

 

 

 

(*)

 

 

 

 

 

SIG.

ON/

-V

 

 

RTN

OFF

-S

+V

10

7

 

 

LOAD

 

 

 

 

FPS1000

#2

 

+S

-V

 

 

 

+V

 

 

 

 

(*)

 

 

SIG.

ON/

-V

-S

 

RTN

OFF

-S

 

10

7

 

 

 

 

 

(*) Diodes are user supplied

 

Fig 6-5: Series connection for increased output voltage

Series connection for positive and negative output voltage.

FPS1000

#1

 

+S

 

 

 

+V

 

 

 

 

 

 

 

 

 

 

(*)

 

 

 

SIG.

ON/

-V

 

 

 

RTN

OFF

-S

+V

LOAD

10

7

 

COMMON

 

 

 

 

FPS1000

#2

 

+S

-V

 

 

 

 

+V

 

 

 

 

 

(*)

 

 

 

SIG.

ON/

-V

 

 

 

RTN

OFF

-S

 

 

10

7

(*) Diodes are user supplied

 

 

 

 

 

 

 

Fig 6-6: Series connection for Bipolar output voltage

CAUTION

Series operation is not applicable for units with I2C bus option.

18

FPS1000 Instruction Manual

CHAPTER 7 I2C BUS INTERFACE OPTION

7.1 Introduction

The I2C interface option includes facilities to monitor operating parameters of the power supply. The parameters are then transferred to the host PC if demanded, over a standard I2C bus.

The following data can be monitored for the individual units connected to the I2C bus:

1.Status of the unit.

2.Actual output voltage, output current and internal temperature of the unit.

3.Manufacturing related data (model, serial number, manufacturing date etc…).

7.1.1 Addressing (A0, A1, A2).

Three address lines allow up to eight FPS1000 units to be addressed on a single I2C bus. The address lines are internally pulled-up to +5V by resistors. Addressing of a unit is achieved by hard-wiring an address line to the -Sense to set it to "0" or leaving the address line open to set it to "1".

7.1.2 Serial clock

This line is clocked by the processor which controls the I2C bus. It should be connected to +5V (referenced to -Sense) via a pull-up resistor of 2KΩ. The I2C interface is designed to run with a serial clock speed of 100KHz.

7.1.3 Serial dataThis line is a bidirectional data line. It should be connected to +5V

(referenced to -Sense) via a pull-up resistor of 2KΩ.

7.2 I2C Interface Specifications

 

7.2.1 General specifications

 

1.

Clock frequency:

100KHz

2. Address lines:

Three (A0, A1, A2). Support 8 power supply modules

7.2.2 Output voltage measurement

 

1.

Measurement accuracy:

+/-2% of full scale

2.

Measurement resolution:

8 bits

3.

Measurement range:

0~60.0V for 48V model / 0~40.0V for 32V model / 0-30.0V for 24V model.

7.2.3 Output current measurement

 

1.

Measurement accuracy:

+/-10% of full scale

2.

Measurement resolution:

8 bits

3.

Measurement range:

0~25.0A for 48V model / 0~50A for 32V & 24V models

7.2.4 Internal temperature measurement

+/-3°C

1.

Measurement accuracy:

2.

Measurement resolution:

8 bits

3.

Measurement range:

0-100°C

7.2.5 EEPROM

 

1.

EEPROM type:

AT24C02AN-10S , Atmel, or equivalent

2.

EEPROM data:

Model name, Serial no., Revision, Manufacture. Name, Output voltage,

 

 

Date, Country of manufacturing, Check-Sum

7.2.6 Status register

 

1.

Register type:

PCF8574, Philips, or equivalent.

2.

Register content:

DC Fail, Over-Temperature Protection (OTP)

 

 

Temperature Alarm, Fan Fail, AC Fail

CAUTION

The I2C bus address lines, serial clock and data are referenced to the -Sense potential. When using series connection of FPS1000 units, do not connect the I2C lines of the units together.

19

7.3 Block diagram of the I2C option

Refer to Fig 7-1 for description of the I2C block diagram and for typical application.

 

A0

Output Fail

 

OTP

 

A1

 

Temperature Alarm

 

A2

 

Fan Fail

 

REGISTER

 

AC Input Fail

 

 

 

A0

Output voltage

 

A1

Output current

 

A2

 

 

 

ADC

Temperature

A0

A0

 

A1

A1

 

A2

A2

 

 

EEPROM

 

Fig 7-1: I2C option bloack diagram

 

Serial CLOCK

 

 

Serial DATA

7.4 Operation and functions

7.4.1. Digital status

Digital status functions are provided by a PCF8574, 8-bit Register. It provides a single 8-bit word when read by the I2C controller. Fault is indicated by "1" and Good level is indicated by "0".

Refer to Table 7-1 for the register information.

 

BIT

 

FUNCTION

 

 

 

 

MEANING

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0

 

Output Fail

 

 

 

 

Output voltage is <80% +/- 5% of Vout rated

 

 

1

 

Over Temperature Protection

 

 

Internal temperature is over 80°C. Supply turns off.

 

2

 

Temperature Alarm

 

 

Internal temperature is over 70°C. Supply is on.

 

 

3

 

Fan Fail

 

 

 

 

Failure of an internal fan.

 

 

 

 

 

4

 

AC Input Fail

 

 

 

 

AC Input <85Vac

 

 

 

 

 

5

 

Not Used

 

 

 

 

Always "0".

 

 

 

 

 

 

 

6

 

Not Used

 

 

 

 

Always "0".

 

 

 

 

 

 

 

7

 

Not Used

 

 

 

 

Always "0".

 

 

 

 

 

 

Table 7-1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PCF8574 slave address:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Bit

7

6

 

5

4

 

3

 

2

1

 

0

 

Value

0

1

 

0

0

 

A2

 

A1

A0

 

R/W

7.4.2 EEPROM functions

A 256 bytes EEPROM included in the I2C option. The EEPROM type is AT24C02 and it is programmed at the factory with the data shown in Table 7-2.

ADDRESS

BYTES

DATA

0

4

Number of fields

4

16

Manufacturer

20

20

Serial number

40

16

Revision

56

16

Country of manufacture

72

16

Model name

88

16

Output voltage

104

16

Date of manufacture

254

2

Checksum

Table 7-2

The slave EEPROM address is:

Bit

7

6

5

4

3

2

1

0

Value

1

0

1

0

A2

A1

A0

R/W

20

VALUE = BYTE VALUE x RESOLUTION

FPS1000 Instruction Manual

7.4.3 Analog functions

Analog functions are provided by a single PCF8591, 4-channel 8-bit A/D converter. When this device is read by the

serial buscontroller it provides an 8-bit word with the following information:

 

 

 

 

Channel 1: Output voltage,

channel 2: Output current,

channel 3: Internal temperature.

 

The PCF8591 slave address is:

 

 

 

 

 

 

 

Bit

7

 

6

5

4

3

2

 

1

0

Value

1

 

0

0

1

A2

A1

 

A0

R/W

The PCF8591 device initially requires a control byte to be written to the configuration register.

 

 

The control byte is as follows:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Bit

7

 

6

5

4

3

2

 

1

0

Value

0

 

A

0

0

0

B

 

C

D

When a single channel is to be read, A,B,C and D should be determined as follows:

A/D channel

A

B

C

D

Voltage

0

0

0

0

Current

0

0

0

1

Temperature

0

0

1

0

To read all channels with a single control byte, A and B have to be "1", C and D have to be "0". This control byte sets the device so that on each successive read the data from the next A/D is read.Thus, the first result from a sequence of reads should not be considered.

Note that on each read, a conversion is started for a particular channel and the result will be read from the previous channel.

7.4.4 A/D Scaling

The A/D readback has to be scaled to obtain a correct value for the voltage, current and the temperature. Note that the voltage reading is made inside the power supply unit before the "Oring" diode and is typically 0.5V higher than the actual output voltage.

The following scaling should be employed:

Refer to the following table for the scaling of the A/D channels:

FPS1000-12/S

 

0~15V

0.0586 V/Bit

0~80A

0.312 A/Bit

0~100°C

0.391°C/Bit

FPS1000-32/S

FPS1000-24/S

FPS1000-48/S

The measurement range is from 0 to the maximum value listed in the range column. The resolution or scale of reading is linear over the entire range and provides a linear output on the A/D converter.

7.5 Measurements and calculation examples

7.5.1 Output voltage readback

The voltage before the "Oring" diode is measured and can be read from the A/D converter. This voltage is higher than the voltage at the output terminals by 0.5V typically.

Model: FPS 1000-48/S

1.Output voltage (at the output terminals): 48.0V

2.Voltage before the "Oring" diode: 48.0V+0.5V=48.5V

3..Hex readback: CE (1100 1110).

4.Convert the hex readback to decimal: 206

5.Calculate measured Vout: Vout=206*0.2344=48.286V

7.5.2 Output current readback

The output current is sensed by an internal shunt and measured by an A/D converter. Refer to the following examplefor current readback calculation.

1.Actual output current: 21.0A

2.Hex readback: E0 (1110 0000).

3.Convert the hex readback to decimal: 224

4.Calculate measured Iout: Iout=224*0.0977=21.884A.

21

7.5.3 Internal temperature measurement

The internal ambient temperature is measured to provide information of the safe operation of the power supply. The internal ambient temperature is usually higher than the power supply air intake temperature due to internal power dissipation. As the power dissipation varies with the load, the internal ambient temperature increases with the load. Refer to Fig 7-2 for typical internal temperature rise above the air intake temperature versus the load.

Internal temp. rise (°C)

15

10

5

0

25

50

75

100 % of rated load

Fig 7-2: Internal temperature rise vs. load

Internal temperature calculation example:

1.Hex readback: 68 (0110 1000).

2.Convert hex readback to decimal: 104

3.Calculate the measured temperature:

Temp=104*0.391=40.664oC

7.6 Typical application diagram

 

 

 

 

 

 

 

 

A typical application is described in Fig 7-3.

 

 

 

 

ON/OFF

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CONTROL

 

 

 

 

CLOCK

 

SIGNAL

ON/OFF

+S

 

 

 

 

SCL

RETURN

 

 

+V

+

 

 

 

 

 

 

 

PC

RS232 TO

DATA

 

FPS1000

 

LOAD

2

C

SDA

 

RS232

I

 

 

 

 

 

 

RS232

CONVERTOR

 

 

 

 

 

-V

-

 

 

 

 

 

 

 

CABLE

 

 

GND

 

A0

A1

A2

-S

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ADDRESS

 

 

 

 

 

 

 

 

 

SETTING

 

Fig 7-3: Typical application of I2C interface

22

FPS1000 Instruction Manual

CHAPTER 8 FPS1000 MAINTENANCE

8.1 Introduction

This chapter contains information about maintenance, calibration and troubleshooting of the FPS1000 power supply.

8.2 Units under warranty

Units requiring repairs during the warranty period should be returned to Densei-Lambda authorized service office. Unauthorized repairs performed by other than the authorized service facilities may void the warranty.

8.3 Periodic maintenance

No routine maintenance of the FPS1000 power supply is required except for periodic cleaning. To clean, disconnect the unit from the AC supply and allow 30sec. for discharging internal voltage. The FPS1000 should be cleaned using mild solution of detergent and water. The solution should be applied onto a soft cloth, and not directly to the surface of the unit. Do not use aromatic hydrocarbons or chlorinated solvents for cleaning. Use low pressure compressed air to blow dust from the unit.

8.4 Adjustments and Calibration

No internal adjustment or calibration are required. Units that are returned for repair will be calibrated at the service office.In any case ,opening the cover is not allowed.

8.5 Fan life expectancy

The fan life has limitation depending mainly on the ambient temperature. Please refer to Fig 8-1 for the expected fan life vs. the ambient temperature. In case that the fan should be replaced, contact your nearest Densei-Lambda authorized service office.

Life expectancy (years)

10

1

0

50

100

Ambient temperature (°C)

Fig 8-1: Expected fan life vs. ambient temperature

8.6 Before concluding that the unit is at fault:

Before concluding that the unit is at fault, make the following tests: * Check if the AC voltage is within the specification range.

*Check if the input and output wiring is correct.

*Check if the +S and -S wires are connected to the +Vout and -Vout (refer to sec. 4.11). *Check if the wires size is sufficient (refer to sec. 3.7.2).

*Check if the output voltage control, V_Trim, is connected properly (refer to sec. 4.2). *Check if the On/Off control is connected properly (refer to sec. 4.10).

*Check if the load current and power consumption are within the power supply specifications. *Audible noise can be heard during dynamic load operation.

*Audible noise can be heard when the input voltage waveform is not sinusoidal.

8.7 Parts replacement and repair

As repairs are made only by the manufacturer or by its authorized service offices, no parts replacement information is given inthis manual. In case of failure, unusual or erratic operation of the unit, contact your nearest Densei-Lambda sales and service office.

23

FPS-S1U 19” Rack Single Output

24

 

 

 

 

 

 

FPS-S1U Instruction Manual

CHAPTER 9

FPS-S1U RACK SPECIFICATIONS

1

 

Number of power supply modules

(*1)

---

Maximum 3 x FPS1000 modules of the same output voltage rating.

2

 

Maximum output power

(*2)

W

3000

3

 

Input voltage / frequency range

(*3)

---

85~265Vac continuous, 47~63Hz, Single phase

4

 

Maximum input current (at 100/200Vac)

A

12.0/6.0 for each FPS1000 unit installed

5

 

AC input connector

 

---

FPS-S1U :IEC inlet for each power supply module . FPS-S1U/P :None

6

 

Output terminals

 

---

Bus-bars.Refer to outline drawing.

7

 

Remote sensing

 

(*4)

V

Possible.

8

 

Parallel operation

 

---

Possible. Up to 3 racks with max 8 FPS 1000 units of the same voltage and current rating.

9

 

Series operation

 

(*5)

---

Possible. Up to 2 racks of the same voltage and current rating

 

 

 

 

 

 

Separate control for each FPS 1000 unit , By electrical signal or dry contact

10

Remote On/Off control

 

---

ON: 0~0.6V or short. OFF: 2~15V or open.

 

 

 

 

 

 

Separate control for each FPS1000 unit, Open collector signal.

11

DC_OK signal

 

 

---

On when Vout >80% +/-5%. Max.sink current: 10mA

 

 

 

 

 

 

Separate control for each FPS1000 unit ,Open collector signal.

12

AC fail signal

 

 

---

Refer to Instruction Manual

 

 

 

 

 

 

Separate control for each FPS1000 unit ,Open collector signal.

13

Over Temperature alarm signal

 

---

Refer to Instruction Manual

14

Vout voltage trimming

 

---

Possible, via separate control for each FPS1000 unit .Refer to Instruction Manual.

15

Auxiliary power supply

 

---

11.2~12.5VDC.Maximum output current:0.25A*Number of installed FPS1000 units.

16

Operating temperature

 

---

0~50°C: 100% load. Derate 2%/°C, 50°C to 60°C.

17

Storage temperature

 

---

-30~85°C

18

Operating humidity

 

---

10~90% RH, no condensation.

19

Storage humidity

 

---

10~90% RH, no condensation.

20

Vibration

 

 

---

Built to meet ETS 300 019

21

Shock

 

 

---

Built to meet ETS 300 019

22

Applicable safety standards

 

---

UL60950-1, EN60950-1

 

 

 

 

 

 

Input-Output: 3000Vrms, 1min. Input-Ground: 2000Vrms, 1min. Output-Ground:

23

Withstand voltage

 

---

500Vrms, 1min.

24

Insulation resistance

 

---

More than 100Mohm at 25°C and 70% RH. Output-Ground: 500Vdc

25

Weight (Typ)

 

 

Kg

3.7

26

Size (W*H*D)

 

 

---

440x44x351mm. Refer to Outline Drawing.

27

Warranty

 

 

Yr

Two Years

Notes:

 

 

 

 

*1:

The Output of all the FPS1000 modules are connected in parallel in the rack.

*2:

For input voltage lower than 100Vac, maximum output power derated by 10% of the power rating.

*3:

For cases where conformance to to various safety standards (UL, EN etc.) is required, to be described

 

 

as 100-240Vac (50/60Hz).

 

 

 

*4:

Remote sensing can compensate up to 1V drop on each load wire.

*5:

Not apllicable for units with I2C bus option.

25

CHAPTER 10 FPS-S1U RACK INSTALLATION

10.1 GENERAL

This chapter contains instructions for initial inspection, preparation for use and repackaging for shipment. In some sections in this chapter, where the instructions for the FPS-S1U and the FPS1000 are identical, a reference to a section describing the FPS1000 will be given.

10.2 PREPARATION FOR USE

Table 10-1 below describes the basic setup procedure. Follow the instructions in Table 10-1 in the sequence given to prepare the FPS-S1U rack for use.

Step no

Item

Description

Reference

1

Inspection

Initial physical inspection of the power supply

Section 3.3

2

Installation

Installing the power supply.

Section 10.4

 

 

Ensuring adequate ventilation.

Section 10.5

3

AC source

AC source requirements

Section 3.6

4

Load connection

Wire size selection.

Section 10.7

Table 10-1: Basic setup procedure

10.3INITIAL INSPECTION

Refer to Sec. 3.3 for details.

10.4FPS-S1U RACK MOUNTING

The FPS-S1U is designed to be mounted in a 19" rack. Use a support bars or surface to provide adequate support for the rear of the power supply. Secure the FPS-S1U to its location using the front panel using M6x12 screws via the mounting holes at its front side (Refer to the outline drawings in Chapter 11).

Do not obstruct the air exhaust at the rear panel of the unit.

10.5 LOCATION MOUNTING AND COOLING

The FPS1000 units installed in the FPS-S1U rack are fan cooled. The air intake is at the front panel and the exhaust is at the rear panel. Upon installation allow cooling air to reach the front panel and allow minimum 50mm of unrestricted air space at the rear of the unit for the air exhaust.

10.6AC SOURCE REQUIREMENTS

Refer to Sect 3.6 for details.

10.7CONNECTING THE LOAD

WARNING

Turn off the AC input power before making or changing any rear panel connection. Ensure that all connections are securely tightened before applying power. There is a potential shock hazard when using a power supply with a rated output greater than 40V.

10.7.1 Load Wiring

.Refer to Sec. 3.7.1, 3.7.2 and 3.7.3 for details.

10.7.2 Inductive loads

To prevent damage to the power supply from inductive kickback, a diode should be connected across the output. The diode voltage and current rating should be greater than the power supply maximum output voltage and total current rating. Connect the cathode to the positive output and the anode to the negative output. Where positive load transients such as back EMF from a motor may occur, connect a surge suppressor across the output to protect the power supply. The breakdown voltage rating of the suppressor must be approximately 10% higher than the maximum output voltage of the power supply.

26

FPS-S1U Instruction Manual

10.7.3 Making the load connections

!WARNING

Hazardous voltages may exist at the outputs and the load connections when using a power supply with a rated output greater than 40V. To protect personnel against accidental contact with hazardous voltages, ensure that the load and it's connections has no accessible live parts. Ensure that the load wiring insulation rating is greater than or equal to the maximum output voltage of the power supply.

The load wires should be properly terminated with terminals securely attached. DO NOT use unterminated wires for load connection at the FPS-S1U.

10.7.4 Rear panel description

1

2

3

4

5

1

Fig. 10-1: FPS-S1U Rear panel

1. Mounting brackets. Use M6x12 screws to fix the FPS-S1U to the rack. 2: DB25 connector for control and monitoring signals.

3: Output voltage terminals. Use M6x16 screws and M6 lug to connect the load wire. The recommended tightening torque is 42~56Kgf.cm.

4.DIP switch for I2C option address setting. Refer to Chapter 14 for details.

5.IEC320 AC inlets, shown for FPS-S1U rack. For FPS-S1U/P, there are no IEC320 inlets on the rack.

10.7.5Control and monitoring signals connector

Pin No

Function

Description

1

V_TRIM_B

Connection for output voltage trimming of FPS1000 unit "B". The voltage can be

 

 

trimmed within its range specifications.

 

 

 

2

TEMP_ALARM_B

Open collector signal, referenced to pin 11 (Signal Return). On when the internal temperature

 

 

of FPS1000 unit "B" is within safe limit, Off approx. 10°C below Thermal shut down. The

 

 

maximum sink current is 10mA and the maximum external voltage is 15V.

 

 

 

3

DC_OK_B

Open collector signal, referenced to pin 11 (Signal Return). On when the output voltage

 

 

of FPS1000 unit "B" is higher than 80%+/-5%. The maximum sink current: 10mA

 

 

and the maximum external voltage is 15V.

 

 

 

4

TEMP_ALARM_A

Open collector signal, referenced to pin 11 (Signal Return). On when the internal temperature

 

 

of FPS1000 unit "A" is within safe limit, Off approx. 10°C below Thermal shut down. The

 

 

maximum sink current is 10mA and the maximum external voltage is 15V.

 

 

 

5

ON/OFF_A

Turns the output of FPS1000 unit "A" to On and Off by electrical signal or dry contact

 

 

between pin 5 and pin 11 (Signal Return). 0~0.6V or Short: On, 2~15V or Open:

 

 

Off. The maximum source current is 2.6mA.

 

 

 

6

DC_OK_A

Open collector signal, referenced to pin 11 (Signal Return). On when the output

 

 

voltage of FPS1000 unit "A" is higher than Vout 80%+/-5%. The maximum sink

 

 

current: 10mA and the maximum external voltage is 15V.

 

 

 

7

V_TRIM_A

Connection for output voltage trimming of FPS1000 unit "A". The voltage can be

 

 

trimmed within its range specifications.

 

 

 

8

+12V_AUX

Auxiliary voltage output, 11.2~12.5V, referenced to pin 11 (Signal Return). The

 

 

maximum load current is 0.25A. This output has built in Oring diode and is not controlled

 

 

by the On/Off control.

 

 

 

27

10.7.5 Control and monitoring signals connector

9

CS

Current sharing signal. When FPS-S1U racks are connected in parallel, the CS pins

 

 

of the units should be connected to allow current balance between units.

 

 

 

10

V_TRIM_C

Connection for output voltage trimming of FPS1000 unit "C". The voltage can be

 

 

trimmed within its range specifications.

 

 

 

11

SIGNAL_RETURN

Return for the following control and supervisory signals: On/Off, DC_OK,

 

 

Over_temperature Alarm, AC_Fail, Auxiliary 12V supply. The Signal return is isolated

 

 

from the output terminals.

 

 

 

12

DC_OK_C

Open collector signal, referenced to pin 11 (Signal Return). On when the output voltage

 

 

of FPS1000 unit "C” is higher than 80%+/-5%. The maximum sink current: 10mA

 

 

and the maximum external voltage is 15V.

 

 

 

13

+SENSE

Positive sensing. The +Sense signal should be connected to the positive terminal of

 

 

the load. The +Sense and -Sense leads should be twisted pair to minimize noise pick-

 

 

up effect. The maximum load wires drop compensation is 1V/wire.

 

 

 

14

AC_FAIL_B

Open collector signal, referenced to pin 11 (Signal Return). On when the input voltage

 

 

of FPS1000 unit "B" is 85Vrms. The maximum sink current is 10mA, and the maximum

 

 

external voltage is 15Vdc.

 

 

 

15

ON/OFF_B

Turns the output of FPS1000 unit "B" to On and Off by electrical signal or dry contact

 

 

between pin 15 and pin 11 (Signal Return). 0~0.6V or Short: On, 2~15V or Open:

 

 

Off. The maximum source current is 2.6mA.

 

 

 

16

AC_FAIL_A

Open collector signal, referenced to pin 11 (Signal Return). On when the input voltage

 

 

of FPS1000 unit "A" is 85Vrms. The maximum sink current is 10mA, and the maximum

 

 

external voltage is 15Vdc.

 

 

 

17

NC

Not connected

 

 

 

18

NC

Not connected

 

 

 

19

NC

Not connected

 

 

 

20

SCL (I2C)

Serial Clock used in the I2C interface option. Refer to the I2C interface description in

 

 

the Chapter 7 in this Instruction Manual.

 

 

 

21

SDA (I2C)

Serial Data used in the I2C interface option. Refer to the I2C interface description in

 

 

the Chapter 7 in this Instruction Manual.

 

 

 

22

-SENSE

Negative sensing. The -Sense signal should be connected to the negative terminal

 

 

of the load. The -Sense and +Sense leads should be twisted pair to minimize noise

 

 

pick-up effect. The maximum load wires drop compensation is 1V/wire.

 

 

 

23

TEMP_ALARM_C

Open collector signal, referenced to pin 11 (Signal Return). On when the internal temperature

 

 

of FPS1000 unit "C" is within safe limit, Off approx 10°C below Thermal shut down. The

 

 

maximum sink current is 10mA and the maximum external voltage is 15V.

 

 

 

24

AC_FAIL_C

Open collector signal, referenced to pin 11 (Signal Return). On when the input voltage

 

 

of FPS1000 unit "C" is 85Vrms. The maximum sink current is 10mA, and the maximum

 

 

external voltage is 15Vdc.

 

 

 

25

ON/OFF_C

Turns the output of FPS1000 unit "C" to On and Off by electrical signal or dry contact

 

 

between pin 25 and pin 11 (Signal Return). 0~0.6V or Short: On, 2~15V or Open: Off.

 

 

The maximum source current is 2.6mA.

 

 

 

28

FPS-S1U Instruction Manual

10.7.6 Modules location

Up to three FPS1000 modules of the same output voltage rating can be plugged into an FPS-S1U rack. Refer to Fig 10-2 for the modules location.

PS MODULE “A”

PS MODULE “B”

Air flow direction

Front side PS MODULE “C” see note 1

Fig 10-2: FPS1000 modules location

Note 1: Forced air cooling allow minimum 50mm of unrestricted air space at the rear of the unit. Do not obsruct air flow to the unit front panel.

10.7.7 Blank panels

Each FPS-S1U rack is supplied with two blank panels in the package. Use the blank panels to close the front panel opening in places where FPS1000 power supplies are not installed. Use M3x6 screws to fix the blank panel to the chassis. Refer to the outline drawings in chapter 11 for details.

10.7.8 Repackaging for shipment

Refer to Sec. 3.7.8 for details.

29

CHAPTER 11 FPS-S1U AND FPS-S1U/P OUTLINE DRAWINGS

11.1 FPS-S1U Outline Drawing

30

FPS-S1U Instruction Manual

11.2 FPS-S1U/P Outline Drawing

31

CHAPTER 12 BASIC CONNECTIONS FOR OPERATION FPS-S1U RACK

12.1 Connecting single load, Local sensing

Local sensing is suitable for applications where load regulation is not critical. Fig 12-1 shows recommended load and sensing connections for applications with a single load.

FPS-S1U

 

 

 

+V

 

+V

 

 

 

+S

 

 

 

 

 

 

13

 

 

 

 

 

 

LOAD

 

 

 

 

 

 

 

ON/

ON/

ON/

-S

22

 

SIGNAL

 

 

OFF

OFF

OFF

-V

 

 

RTN

A

B

C

 

-V

11

5

15

25

 

 

 

Fig 12-1: single load connection, local sensing

*In Local sense applications, the +/- sense have to be connected to the

+/-V terminals of the FPS-S1U prior to operating the FPS1000 units plugged in.

12.2 Connecting Single Load, Remote Sensing

Remote sensing is used in cases where the load regulation is important at the load terminals. Use twisted or shielded wires to minimize noise pick-up. If shielded wires are used, the shield should be connected to the ground at one point, either the power supply side or the load. The optimal point for the shield ground should be determined by experimentation. Refer to the power supply specifications for the maximum voltage drop allowed at the load wires.

 

 

 

 

Load line. Up to 1V drop.

 

 

 

 

+V

+V

FPS-S1U

 

 

+S

*

 

 

 

 

13

 

 

 

 

LOAD

 

 

 

 

22

 

SIGNAL

ON/

ON/

ON/

-S

 

OFF

OFF

OFF

-V

-V

RET

A

B

C

11

5

15

25

Sense lines

Load line.

 

 

 

 

 

 

 

 

Twisted pairs

Up to 1V drop.

Fig 12-2: Remote sensing, single load.

12.3 Multiple loads connection

If remotely located output distribution terminals are used, the power supply output terminals should be connected to the distribution terminals by a pair of twisted or shielded wires. Each load should be separately connected to the remote distribution terminals (see Fig 12-3). If remote sensing is required, the sensing wires should be connected to the distribution terminals or at the most critical load.

 

 

 

 

 

 

+V

 

 

 

 

 

 

+V

 

 

+

LOAD # 1

 

 

 

 

 

 

-

FPS-S1U

 

 

+S

13

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

22

 

+

LOAD # 2

 

ON/

ON/

ON/

-S

 

-

 

 

 

SIGNAL

 

 

 

OFF

OFF

OFF

 

 

 

RET

A

B

C

-V

 

 

 

 

11

5

15

25

 

-V

+

LOAD # 3

 

 

 

 

 

 

-

 

 

 

 

 

 

 

Fig 12-3: Multiple loads connection with distribution terminal

32

FPS-S1U Instruction Manual

12.4 On/Off control

Fig 12-4 shows typical connection for individual On/Off control of each installed FPS1000 unit. The On/Off control signal is applied to the DB25 connector located at the rear panel (refer to sec. 10.7.5).

When it is desired to control all the installed units simultaneously, it is possible to connect the On/Off control as shown in Fig 12-5.

FPS-S1U

ON/OFF_A

5

 

 

FPS-S1U

ON/OFF_A

15

 

 

 

ON/OFF_B

 

 

 

ON/OFF_B

 

25

 

 

 

 

ON/OFF_C

 

 

 

ON/OFF_C

 

ON/

ON/

ON/

 

 

 

 

 

 

 

OFF

OFF

OFF

 

 

 

SIGNAL_RET

11

 

 

 

SIGNAL_RET

 

 

UNIT

UNIT

UNIT

 

 

 

 

 

 

 

 

‘C’

‘B’

‘A’

 

5

15

25

ON/ 11 OFF

Fig 12-4: Individual On/Off control Fig 12-5: Single On/Off control

12.5 Output voltage trimming

Refer to Fig 12-6 for output voltage trimming typical application.

 

FPS-S1U with FPS1000-12 installed:

+V

R2=0.0324*V2out -1.1298*Vout+9.9342

R1(KΩ)=5(KΩ)-R2(KΩ)

13

FPS-S1U +S

V_TRIM_A

7

R1

 

V_TRIM_B 1

V_TRIM_C

10

R2

22

-S

 

 

 

-V

Fig 12-6: Output voltage trimming

FPS-S1U with FPS1000-24 installed: R2=0.0785*V2out -5.819*Vout+105.132 R1(KΩ)=20(KΩ)-R2(KΩ)

FPS-S1U with FPS1000-32 installed: R2=0.0463*V2out -4.5805*Vout+109.49 R1(KΩ)=20(KΩ)-R2(KΩΩ)

FPS-S1U with FPS1000-48 installed: R2=0.0497*V2out-7.2795*Vout+259.04 R1(KΩ)=50(KΩ)-R2(KΩ)

12.6 Supervisory signals

Supervisory signals are accessible at the J1-DB25 female connector on the rear panel of the rack. Fig 12-7 shows a typical connection for FPS1000 unit "A" inside the rack.

Units "B" and "C" connections - Reffer to sec 10.7.5.

FPS-S1U

 

(J1)

 

 

 

12V AUX

8

 

 

FPS-1000

16

10K 10K

Application

Module A

AC_FAIL_A

 

6

 

Monitoring

 

DC_OK_A

 

 

4 10K

 

and Control

 

TEMP.ALARM_A

 

 

 

 

circuts

 

SIGNAL RET 11

 

 

 

 

FPS-1000 Module B

FPS-1000 Module C

Note: AC_FAIL, DC_OK and TEMP.ALARM are open collector signals.

Fig 12-7: Supervisory signals

12.7 Grounding outputs

Either the positive or negative output terminals can be grounded. To avoid noise problems caused by common-mode current flowing from the load to ground, it is recommended to ground the output terminal as close as possible to the power supply's output. Always use two wires to connect the load to the power supply regardless of how the system is grounded.

33

CHAPTER 13 PARALLEL AND SERIES OPERATION

13.1 Parallel operation

Up to 3 FPS-S1U racks with up to 8 FPS1000 installed units of the same output voltage rating can be connected in parallel. The built-in Oring diodes on the main output and on the +12V auxiliary voltage in each FPS1000 unit allow N+1 operation. By connecting the CS signal between the paralleled units, automatic current balance is achieved, with +/-10% accuracy. For input voltages less than 100Vac, maximum output Power derated by 10% of the Power rating. Refer to Fig 13-1 for output Power derating in parallel operation.

%of rated Power

100

90

 

 

 

Input voltage

 

 

265

85

100

(Vrms)

Fig 13-1: Output Power derating at parallel operation

13.1.1 Parallel operation with Remote sensing

Fig13-2 shows typical connection of parallel operation with Remote sensing. The CS signal wires should be as short aspossible and with the same length.

FPS-S1U #1

+V

 

+S

+S

 

 

 

 

 

 

 

 

 

ON/ ON/

ON/

-S

 

-S

 

SIG. OFF OFF OFF

-V

 

CS RTN

A

B

C

 

 

9

11

5

15

25

 

 

+S

FPS-S1U #2

+V

+S

+V

+S

 

 

 

 

 

 

LOAD

 

 

ON/ ON/ ON/

-S

 

 

 

-S

 

 

SIG. OFF OFF OFF

-V

-V

CS RTN

A

B

C

 

9

11

5

15

25

 

 

 

 

 

 

 

 

 

 

-S

FPS-S1U #3

+V

+S

 

+S

 

 

 

 

 

 

 

 

 

ON/ ON/

ON/

-S

-S

 

 

SIG. OFF OFF OFF

-V

 

CS RTN

A

B

C

 

 

9 11 5 15 25

Fig 13-2: Parallel operation with Remote sensing

34

FPS-S1U Instruction Manual

13.1.2 Output voltage trimming at parallel operation

The output voltage of the units connected in parallel can be made by a single trimmer or resistive divider.

 

 

 

 

V_TRIM

7

 

 

 

 

 

 

 

 

1

 

 

 

 

FPS-S1U # 1

 

 

A, B, C

10

 

 

 

 

 

 

ON/ ON/ +S

 

 

 

 

 

 

 

 

ON/

 

V_TRIM

 

 

 

 

SIG.

 

OFF

OFF OFF

 

 

 

 

CS

 

A

B

C -S

 

 

 

V_TRIM

 

RTN

 

 

 

 

 

9

 

5

15

 

25

 

 

 

 

11

 

 

 

 

V_TRIM

 

 

 

 

V_TRIM

7

V_TRIM

+V

+S

 

 

 

 

 

1

 

 

 

 

 

 

 

FPS-S1U # 2

 

 

A, B, C

10

 

 

 

R1

 

 

 

 

 

 

 

 

 

 

ON/ ON/ +S

 

 

 

 

 

 

 

 

ON/

 

 

 

 

 

 

SIG.

 

OFF

OFF OFF

 

 

 

 

R2

CS

 

A

B

C -S

 

 

 

-S

RTN

 

 

 

-V

9

11

5

15

 

25

 

 

 

 

 

 

V_TRIM

 

 

 

 

 

 

 

 

 

 

 

 

 

V_TRIM

7

1

A, B, C

10

FPS-S1U # 3

ON/ ON/ ON/+S

OFF OFF OFF

CS

SIG.

A B C -S

RTN

9 11 5 15 25

Fig 13-3: Output voltage trimming at parallel operation

FPS-S1U with FPS1000-12 installed: R2=0.0324*V2out -1.1298*Vout+9.9342 R1(KΩ)=5(KΩ)-R2(KΩ)

FPS-S1U with FPS1000-24 installed: R2=0.0785*V2out -5.819*Vout+105.132 R1(KΩ)=20(KΩ)-R2(KΩ)

FPS-S1U with FPS1000-32 installed: R2=0.0463*V2out -4.5805*Vout+109.49 R1(KΩ)=20(KΩ)-R2(KΩΩ)

FPS-S1U with FPS1000-48 installed: R2=0.0497*V2out-7.2795*Vout+259.04 R1(KΩ)=50(KΩ)-R2(KΩ)

13.1.3 Signal Return bus at parallel operation

The Signal Return of each paralleled FPS-S1U rack can be connected together to form a common Signal Return bus. By this way, the control and monitoring signals of the paralleled racks can be connected to the same control and monitoring circuitry. The Signal Return bus can be connected to the -V or -S or +V or -S or float. Fig 13-4 shows typical connection of the Signal Return at parallel operation.

FPS-S1U #1 AC_FAIL

DC_OK

OVER-TEMP

ALARM

SIG.

11

 

 

 

 

 

 

 

 

 

 

 

 

RETURN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FPS-S1U #2 AC_FAIL

 

 

 

 

 

 

CONTROL AND

DC_OK

 

 

 

 

 

 

MONITORING CIRCUITS

 

 

 

OVER-TEMP

 

 

 

 

 

 

 

ALARM

11

 

 

 

 

FPS-S1U #1 SIGNALS

SIG.

 

 

 

 

 

 

 

 

 

 

RETURN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FPS-S1U #2 SIGNALS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FPS-S1U #3 AC_FAIL

 

 

 

 

 

 

FPS-S1U #3 SIGNALS

DC_OK

 

 

 

 

 

 

 

 

 

 

 

 

OVER-TEMP

 

 

 

 

 

 

 

ALARM

 

 

 

 

 

 

 

SIG.

11

 

 

 

 

SIGNALS RETURN

 

 

 

 

 

 

RETURN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Fig 13-4: Signal Return connection at parallel operation

35

13.1.4 Remote On/Off control at parallel operation

The paralleled racks can be turned On or Off via a single On/Off control. Refer to Fig 13-5 for typical application. The Signal Return function of all the paralleled racks should be connected together to create a common Signal Return bus. The Signal Return bus may be connected to the -V or the +V potential or floated. In any case do not connect the Signal Return bus to different potentials.

ON/OFF

FPS-S1U #1 A, B, C

SIG.

RETURN

ON/OFF

FPS-S1U #2 A, B, C

SIG.

RETURN

ON/OFF

FPS-S1U #3 A, B, C

SIG.

RETURN

5, 15, 25

2.6 mA / Installed unit

11

 

2.6 mA / Installed unit

 

5, 15, 25

 

ON

OFF

11

 

5, 15, 25

 

2.6 mA / Installed unit

 

11

 

Fig 13-5: Remote On/Off control at parallel operation

13.2 Series operation

Two FPS-S1U racks with the same output voltage rating can be connected in series to increase the output voltage or to create a bipolar voltage source. It is recommended to connect diodes in parallel with each output to prevent reverse voltage in case of failure in one of the power supplies.

Each diode should be rated to at least the power supply rated output voltage and output current. Refer to Fig 13-6 and 13-7 for a typical series connection of power supplies.

CAUTION

Series operation is not applicable for units with I2C bus option.

FPS-S1U #1

 

+S

 

 

+V

 

 

 

 

 

+S

 

ON/ ON/

ON/

(*)

 

 

 

-V

 

SIG. OFF OFF OFF

 

-S

 

RTN

A

B

C

+V

 

 

 

 

 

11

5

15

25

 

LOAD

 

 

 

 

 

FPS-S1U #2

 

+S

-V

 

+V

 

 

 

 

 

 

 

ON/ ON/

ON/

(*)

 

 

-V

-S

SIG. OFF OFF OFF

RTN

A

B

C

-S

 

11

5

15

25

 

 

 

 

 

 

(*) Diodes are user supplied

 

Fig 13-6: Series connection for increased output voltage

FPS-S1U #1

 

+S

 

+V

 

 

 

 

 

ON/ ON/

ON/

-V

SIG. OFF OFF OFF

RTN

A

B

C

-S

11

5

15

25

 

FPS-S1U #2

 

+S

 

+V

 

 

 

 

 

ON/ ON/

ON/

-V

SIG. OFF OFF OFF

RTN

A

B

C

-S

(*)

(*)

+V LOAD

COMMON

-V

11 5 15 25

(*) Diodes are user supplied

Fig 13-7: Series connection for Bipolar output voltage

36

FPS-S1U Instruction Manual

CHAPTER 14 FPS-S1U I2C BUS INTERFACE OPTION

14.1 Introduction

The FPS-S1U rack provides access to the I2C Bus interface in each installed FPS1000/S unit via the rear panel DB25 female connector located at the rear panel. The Clock is connected to pin 20 and the Data is connected to pin 21. The specifications of the I2C of the FPS1000/S power supplies are kept when they are installed in the FPS-S1U rack. Refer to Chapter 7 for the specifications and all operating details.

14.2 Addressing (A0, A1, A2).

The rear panel 9 positions DIP switch is used to select the I2C bus address for the individual FPS1000/S unit inside the rack. Each unit should have its own I2C address to communicate over the I2C bus.

Each address is made of three DIP switch positions, thus a single power supply in the FPS-S1U can be addressed with one of 8 different addresses.

Refer to Fig 14-1 for the description of the DIP switch setting. The DIP switch down position is logic level "1" and the up position is logic level "0".

ON

 

1

2

3

 

4

5

6

 

7

8

9

 

OFF

 

 

Module C

 

 

 

 

Module B

 

 

 

 

Module A

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Fig 14-1: Address setting DIP switch (rear panel view)

CAUTION

The I2C bus address lines, serial clock and data are referenced to the -Sense potential. When using series connection of FPS-S1U racks, do not connect the I2C lines of the units together.

37

CHAPTER 15 FPS-S1U MAINTENANCE

15.1 Introduction

This chapter contains information about maintenance, calibration and troubleshooting of the FPS-S1U rack.

15.2 Units under warranty

Units requiring repairs during the warranty period should be returned to Densei-Lambda authorized service office. Unauthorized repairs performed by other than the authorized service facilities may void the warranty.

15.3 Periodic maintenance

No routine maintenance of the FPS-S1U rack is required except for periodic cleaning. To clean, disconnect the unit from the AC supply and allow 30sec. for discharging internal voltage. The FPS-S1U should be cleaned using mild solution of detergent and water. The solution should be applied onto a soft cloth, and not directly to the surface of the unit. Do not use aromatic hydrocarbons or chlorinated solvents for cleaning. Use low pressure compressed air to blow dust from the unit.

15.4 Adjustments and Calibration

No internal adjustment or calibration are required. Units that are returned for repair will be calibrated at the service office In any case ,opening the cover is not allowed.

15.5 Parts replacement and repair

As repairs are made only by the manufacturer or by its authorized service offices, no parts replacement information is given in this manual. In case of failure, unusual or erratic operation of the unit, contact your nearest Densei-Lambda sales and service office.

38

FPS-T1U 19” Rack Triple Output

39

CHAPTER 16

FPS-T1U RACK SPECIFICATIONS

 

 

 

 

1

Number of power supply modules

(*1)

---

 

Maximum 3 x FPS1000 modules.

 

2

Maximum output power

(*2)

W

 

3000

 

 

 

3

Input voltage / frequency range

(*3)

---

85~265Vac continuous, 47~63Hz, Single phase

4

Maximum input current (at 100/200Vac)

A

12.0/6.0 for each FPS1000 unit installed

 

5

AC input connector

 

---

FPS-T1U :IEC inlet for each power supply module . FPS-T1U/P :None

6

Output terminals

 

 

---

 

Bus-bars.Refer to outline drawing.

 

7

Remote sensing

 

(*4)

V

 

Possible.

 

 

 

8

Parallel operation

 

---

Possible. Up to 3 racks with max 8FPS 1000 units of the same voltage and current rating.

9

Series operation

 

(*5)

---

Possible. Up to 3x FPS1000 units of the same voltage and current rating

10

Remote On/Off control

(*6)

---

Separate control for each FPS 1000 unit , By electrical signal or dry contact

On/Off logic is user selectable. Refer to instruction manual.

 

 

 

 

 

11

DC_OK signal

 

 

---

Separate control for each FPS1000 unit, Open collector signal.

 

 

On when Vout >80% +/-5%. Max.sink current: 10mA

 

 

 

 

 

12

AC fail signal

 

 

---

Separate control for each FPS1000 unit ,Open collector signal.

 

 

 

Refer to Instruction Manual

 

 

 

 

 

 

 

 

13

Over Temperature alarm signal

 

---

Separate control for each FPS1000 unit ,Open collector signal.

 

 

Refer to Instruction Manual

 

 

 

 

 

 

 

 

14

Vout voltage trimming

 

---

Possible, via separate control for each FPS1000 unit .Refer to Instruction Manual.

15

Auxiliary power supply

 

---

11.2~12.5VDC.Maximum output current:0.25A, for each FPS1000 unit.

16

Operating temperature

 

---

°

 

°

°

°

 

 

 

 

 

0~50 C: 100% load. Derate 2%/

 

C, 50 C to 60 C.

17

Storage temperature

 

---

 

°

 

 

 

 

 

 

 

 

 

-30~85 C

 

 

 

18

Operating humidity

 

---

 

10~90% RH, no condensation.

 

19

Storage humidity

 

---

 

10~95% RH, no condensation.

 

20

Vibration

 

 

---

 

Built to meet ETS 300 019

 

21

Shock

 

 

---

 

Built to meet ETS 300 019

 

22

Applicable safety standards

 

---

 

UL60950-1, EN60950-1

 

23

Withstand voltage

 

---

Input-Output: 3000Vrms, 1min. Input-Ground: 2000Vrms, 1min. Output-Ground:

 

 

1414Vdc, 1min.

 

 

 

 

 

 

 

 

 

 

24

Insulation resistance

 

---

 

°

 

 

 

 

 

 

 

 

More than 100Mohm at 25 C and 70% RH. Output-Ground: 500Vdc

25

Weight (Typ)

 

 

Kg

 

3.7

 

 

 

26

Size (W*H*D)

 

 

---

440x44x351mm. Refer to Outline Drawing.

27

Warranty

 

 

Yr

 

Two Years

 

 

 

Notes:

*1: The Output of all the FPS1000 modules are floating in the rack.

*2: For input voltage lower than 100Vac, maximum output power derated by 10% of the power rating.

*3: For cases where conformance to to various safety standards (UL, EN etc.) is required, to be described as 100-240Vac (50/60Hz).

*4: Remote sensing can compensate up to 1V drop on each load wire. *5: Not apllicable for units with I2C bus option.

*6: Factory default: ON/OFF_1 P.S. is On when AC is applied.

40

FPS-T1U Instruction Manual

CHAPTER 17 FPS-T1U RACK INSTALLATION

17.1 GENERAL

This chapter contains instructions for initial inspection, preparation for use and repackaging for shipment. In some sections in this chapter, where the instructions for the FPS-T1U and the FPS1000 are identical, a reference to a section describing the FPS1000 will be given.

17.2 PREPARATION FOR USE

Table 10-1 below describes the basic setup procedure. Follow the instructions in Table 17-1 in the sequence given to prepare the FPS-T1U rack for use.

Step no

Item

Description

Reference

1

Inspection

Initial physical inspection of the power supply

Section 3.3

2

Installation

Installing the power supply.

Section 10.4

 

 

Ensuring adequate ventilation.

Section 10.5

3

AC source

AC source requirements

Section 3.6

4

Load connection

Wire size selection.

Section 10.7

Table 17-1: Basic setup procedure

17.3INITIAL INSPECTION

Refer to Sec. 3.3 for details.

17.4FPS-T1U RACK MOUNTING

The FPS-T1U is designed to be mounted in a 19" rack. Use a support bars or surface to provide adequate support for the rear of the power supply. Secure the FPS-T1U to its location using the front panel using M6x12 screws via the mounting holes at its front side (Refer to the outline drawings in Chapter 18).

Do not obstruct the air exhaust at the rear panel of the unit.

17.5 LOCATION MOUNTING AND COOLING

The FPS1000 units installed in the FPS-T1U rack are fan cooled. The air intake is at the front panel and the exhaust is at the rear panel. Upon installation allow cooling air to reach the front panel and allow minimum 50mm of unrestricted air space at the rear of the unit for the air exhaust.

17.6AC SOURCE REQUIREMENTS

Refer to Sect 3.6 for details.

17.7CONNECTING THE LOAD

WARNING

Turn off the AC input power before making or changing any rear panel connection. Ensure that all connections are securely tightened before applying power. There is a potential shock hazard when using a power supply with a rated output greater than 40V.

17.7.1 Load Wiring

Refer to Sec. 3.7.1, 3.7.2 and 3.7.3 for details.

17.7.2 Inductive loads

To prevent damage to the power supply from inductive kickback, a diode should be connected across the output. The diode voltage and current rating should be greater than the power supply maximum output voltage and total current rating. Connect the cathode to the positive output and the anode to the negative output. Where positive load transients such as back EMF from a motor may occur, connect a surge suppressor across the output to protect the power supply. The breakdown voltage rating of the suppressor must be approximately 10% higher than the maximum output voltage of the power supply.

41

17.7.3 Making the load connections

!WARNING

Hazardous voltages may exist at the outputs and the load connections when using a power supply with a rated output greater than 40V. To protect personnel against accidental contact with hazardous voltages, ensure that the load and it's connections has no accessible live parts. Ensure that the load wiring insulation rating is greater than or equal to the maximum output voltage of the power supply.

The load wires should be properly terminated with terminals securely attached. DO NOT use unterminated wires for load connection at the FPS-T1U.

17.7.4 Rear panel description

1

2

3

4

5

1

Module C

 

 

 

Module B

 

 

 

Module A

 

 

 

 

Fig. 17-1: FPS-T1U Rear panel

1.Mounting brackets. Use M6x12 screws to fix the FPS-T1U to the rack.

2.Output voltage terminals rugged busbars. Use M5x12 screws for load wires recommended Tightening torque 24~31 Kgf.cm.

3.Micro-Fit 3.0TM Dual Row Right Angle 16pins (Molex) connector for control and monitoring signals.

4.Ground stud M4 (three place).

5.IEC320 AC inlet ,shown for FPS-T1U. For FPS-T1U/P there are no IEC320 inlets on the rack.

42

FPS-T1U Instruction Manual

17.7.5 Rear Panel In/Out Connector Pins Function Description J1(A), J2(B), J3(C)

Pin No

Function

Description

 

 

 

 

 

 

 

 

 

 

 

1

2

C)

Serial Data used in the I2C interface option. Refer to the I2C interface description in the

SDA (I

FPS1000 Instruction Manual.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2

2

C)

Serial Clock used in the I2C interface option. Refer to the I2C interface description in the

SCL (I

FPS1000 Instruction Manual.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3

SIGNAL_RETURN

Return for the following control and supervisory signals: On/Off, DC_OK, Over_temperature

 

 

 

Alarm, AC_Fail, Auxiliary 12V supply. The Signal return is isolated from the output terminals.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

On/Off control. To use this input, pin#12 and pin#13 must be shorted together.

4

ON/OFF_2 (*1)

Short between On/Off_2 to pin#3: Off. Open On/Off_2: On.

 

 

 

The maximum source current is 1.2mA

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Open collector signal, referenced to pin 3 (Signal Return). On when the output

5

DC_OK

voltage of FPS1000 unit is higher than Vout 80% +/-5%. The maximum sink current:

 

 

 

10mA and the maximum external voltage is 15V.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

6

V_TRIM

Connection for output voltage trimming of FPS1000 unit. The voltage can be trimmed within

its range specifications.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

7

-SENSE

Negative sensing. The -Sense signal should be connected to the negative terminal of the load.

The -Sense and +Sense leads should be twisted pair to minimize noise pick-up effect. The

 

 

 

maximum load wires drop compensation is 1V/wire.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

8

+SENSE

Positive sensing. The +Sense signal should be connected to the positive terminal of the load.

The +Sense and -Sense leads should be twisted pair to minimize noise pick-up effect. The

 

 

 

maximum load wires drop compensation is 1V/wire.

 

 

 

 

 

 

 

9

+12V_AUX

Auxiliary voltage output, 11.2~12.5V, referenced to pin 3 (Signal Return). The maximum

load current is 0.25A. This output is not controlled by the On/Off control.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

10

CS

 

Current sharing signal. When FPS1000 units are connected in parallel, the CS pins of the

 

units should be connected to allow current balance between units.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

11

AC_FAIL

Open collector signal, referenced to pin 3 (Signal Return). On when the input voltage of

FPS1000 unit is 85Vrms. The maximum sink current is 10mA, and the maximum external

 

 

 

voltage is 15Vdc.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Turns the output of FPS1000 unit to On and Off by electrical signal or dry contact between

12

ON/OFF_1 (*1)

pin 12 and pin 3 (Signal Return).

0~0.6V or Short: On,

2~15V or Open: Off.

 

 

 

The maximum sink current is 2.6 mA (when using pin#12, it should be disconected from pin#13).

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ON/OFF LOGIC

Input used to select the On/Off control logic.

 

 

 

 

 

 

 

13

Short this input to pin#12 when using On/Off_2 as On/Off control.

 

SELECT

 

 

Leave this input open when using On/Off_1 as On/Off control.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

14

TEMP_ALARM

Open collector signal, referenced to pin 3 (Signal Return). On when the internal temperature

of FPS1000 unit is within safe limit, Off approx. 10°C below Thermal shut down. The maximum

 

 

 

sink current is 10mA and the maximum external voltage is 15V.

 

 

 

 

 

 

 

 

 

 

 

 

 

15

- LOCAL SENSE

When working in local sense mode, connect -Local Sense to -Sense (pin#7).

When working in Remote sense mode, this input should be open.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

16

+ LOCAL SENSE

When working in local sense mode, connect +Local Sense to +Sense (pin#8).

When working in Remote sense mode, this input should be open.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Rear In/Out connector pins function description (J1), (J2), (J3)

Note:

 

 

 

CONNECTOR PINOUT (REAR PANEL VIEW)

*1: On/Off_1 and On/Off_2 are reversed logic inputs.

 

 

 

 

16

 

 

9

 

J1(A), J2(B), J3(C) CONECTOR DESCRIPTION

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MALE HEADER:

 

P/N-43045-1600 (MOLEX)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FEMALE HOUSING (PLUG):

P/N-43025-1600 (MOLEX)

 

 

 

 

 

 

 

 

 

 

 

FEMALE TERMINAL:

P/N-43030 (MOLEX)

8

 

 

1

 

 

 

 

 

 

 

 

43

17.7.6 Modules location

Up to three FPS1000 modules can be plugged into an FPS-T1U rack. Refer to Fig 17-2 for the modules location.

PS MODULE “A”

PS MODULE “B”

Air flow direction

Front side PS MODULE “C” see note 1

Fig 17-2: FPS1000 modules location

Note 1: Forced air cooling allow minimum 50mm of unrestricted air space at the rear of the unit. Do not obsruct air flow to the unit front panel.

17.7.7 Blank panels

Each FPS-T1U rack is supplied with two blank panels in the package. Use the blank panels to close the front panel opening in places where FPS1000 power supplies are not installed. Use M3x6 screws to fix the blank panel to the chassis. Refer to the outline drawings in chapter 18 for details.

17.7.8 Repackaging for shipment

Refer to Sec. 3.7.8 for details.

44

FPS-T1U Instruction Manual

CHAPTER 18 FPS-T1U AND FPS-T1U/P OUTLINE DRAWINGS

18.1 FPS-T1U Outline Drawing

45

18.2 FPS-T1U/P Outline Drawing

46

FPS-T1U Instruction Manual

CHAPTER 19 BASIC CONNECTIONS FOR OPERATION FPS-T1U RACK

19.1 Connecting Single Load, Remote Sensing

Remote sensing is used in cases where the load regulation is important at the load terminals. Use twisted or shielded wires to minimize noise pick-up. If shielded wires are used, the shield should be connected to the ground at one point, either the power supply side or the load. The optimal point for the shield ground should be determined by experimentation. Refer to the power supply specifications for the maximum voltage drop allowed at the load wires.

FPS-T1U

FPS-1000 Module A

FPS-1000 Module B

FPS-1000 Module C

 

ON/

 

ON/

 

ON/

 

OFF_1

 

OFF_1

 

OFF_1

 

A

 

B

 

C

J1(A)-3

 

J1(A)-12

 

J2(B)-3

 

J2(B)-12

 

J3(C)-3

 

J3(C)-12

 

 

 

 

 

 

 

 

 

 

 

 

 

Load line. Up to 1V drop.

+V

 

+V

+S

J1-8

 

 

LOAD

 

J1-7

-S

 

 

-V

-V

 

+V

 

+V

+S

J2-8

 

 

LOAD

 

J2-7

-S

 

 

-V

-V

 

+V

 

+V

+S

J3-8

 

 

LOAD

 

J3-7

-S

 

 

-V

-V

 

 

Sense lines

Load line.

 

Twisted pairs

Up to 1V drop.

Fig 19-1: Remote sensing, three load.

*In Local sense applications, the +/- sense have to be connected to the

+/-Local Sense terminals of the FPS-T1U prior to operating the FPS1000 units plugged in.

19.2 On/Off control

Fig 19-2 and Fig 19.3 shows typical connection for individual On/Off control of each installed FPS1000 unit.

ON/OFF Control_1

J1(A)-12

FPS-T1U

ON OFF

FPS-1000 Module A

J1(A)-3

J2(B)-12

FPS-1000 Module B

ON OFF

 

J2(B)-3

 

 

J3(C)-12

FPS-1000 Module C

ON OFF J3(C)-3

Fig 19-2

Connection for negative logic:

Closed: On Open: Off

Factory default: ON/OFF Control_1

ON/OFF Control_2

FPS-T1U

FPS-1000 Module A

FPS-1000 Module B

FPS-1000 Module C

ON/ ON/ ON/ ON/ ON/ ON/ OFF OFF1 OFF OFF1 OFF OFF1

SLCT A

SLCT B

SLCT C

J1(A)-13

J1(A)-12

J2(B)-13

J2(B)-12

J3(C)-13

J3(C)-12

Connection for positive logic: Closed: Off Open: On

J1(A)-4

OFF ON J1(A)-3 J2(B)-4

OFF ON J2(B)-3 J3(C)-4

OFF ON J3(C)-3

Fig 19-3

47

19.3 Output Voltag Trimming

Fig 19-4 shows typical output voltage trimming connection for FPS1000 unit ‘A’ inside the rack Units ‘B’ and ‘C’ connections - Refer to 17.7.5

 

FPS-T1U

J1(A)

 

FPS1000-12:

 

 

+S

J1(A)-8

 

R2=0.0324*V2out -1.1298*Vout+9.9342

 

FPS1000

 

 

 

R1

R1(KΩ)=5(KΩ)-R2(KΩ)

 

 

 

 

 

 

Module A

 

J1(A)-6

 

 

 

 

 

V_TRIM

 

 

 

FPS1000-24:

 

 

 

 

 

 

R2

R2=0.0785*V2out -5.819*Vout+105.132

 

 

 

 

 

 

 

 

 

J1(A)-7

 

R1(KΩ)=20(KΩ)-R2(KΩ)

 

 

-S

 

 

 

 

R1&R2:0.5W

FPS1000-32:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R2=0.0463*V2out -4.5805*Vout+109.49

 

FPS-1000 Module B

 

J2(B)

 

 

 

 

R1(KΩ)=20(KΩ)-R2(KΩΩ)

 

 

 

 

 

 

 

FPS1000-48:

 

 

 

 

 

 

 

 

FPS-1000 Module C

 

J3(C)

 

 

 

 

R2=0.0497*V2out-7.2795*Vout+259.04

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R1(KΩ)=50(KΩ)-R2(KΩ)

 

 

 

 

 

 

 

Fig 19-4 Output Voltag Trimming

19.4 Supervisory Signals

Signals are accessible at the J1(A), J2(B), J3(C) connectors on the rear panel of the rack Fig 19-5 shows typical connection for FPS1000 unit ‘A’. inside the rack

Units ‘B’ and ‘C’. connections - Refer to 17.7.5

FPS-T1U

 

J1(A)

 

 

 

 

12V AUX

9

 

 

 

FPS1000

11

10K

10K

Application

Module A

AC_FAIL_A

 

 

5

 

 

Monitoring

 

DC_OK_A

 

 

 

14 10K

 

 

and Control

 

TEMP.ALARM_A

 

 

 

 

 

 

circuits

 

SIGNAL RET

3

 

 

 

 

 

 

FPS-1000 Module B

J2(B)

 

 

 

FPS-1000 Module C

J3(C)

 

 

 

Fig 19-5 Supervisory Signals

Note: AC_FAIL, DC_OK and TEMP.ALARM are open collector signals

19.5 Grounding outputs

Either the positive or negative output terminals can be grounded. To avoid noise problems caused by common-mode current flowing from the load to ground, it is recommended to ground the output terminal as close as possible to the power supply's output. Always use two wires to connect the load to the power supply regardless of how the system is grounded.

48

FPS-T1U Instruction Manual

CHAPTER 20 PARALLEL AND SERIES OPERATION

20.1 Parallel operation

Up to 3 x FPS-T1U racks with up to 8 x FPS1000 installed units of the same output voltage rating can be connected in parallel. The built-in Oring diodes on the main output and on the +12V auxiliary voltage in each FPS1000 unit allow N+1 operation. By connecting the CS signal between the paralleled units, automatic current balance is achieved, with +/-10% accuracy. For input voltages less than 100Vac, maximum output Power derated by 10% of the Power rating. Refer to Fig 20-1 for output Power derating in parallel operation.

%of rated Power

100

90

 

 

 

Input voltage

 

 

265

85

100

(Vrms)

Fig 20-1

20.1.1 Parallel operation with Remote sensing

Fig 20-2 shows typical connection of parallel operation with Remote sensing. The CS signal wires should be as short aspossible and with the same length.

J1(A)-10

CS

J1(B)-10

CS

J1(C)-10

CS

FPS-T1U

 

+V

 

+S

 

+S

 

 

 

 

 

 

FPS-1000 Module A

-S

 

-S

 

 

 

-V

 

 

 

 

 

 

 

 

 

 

 

+S

 

 

 

+V

+S

+V

 

 

 

+S

 

FPS-1000 Module B

 

LOAD

-S

 

 

 

 

-S

 

 

 

 

-V

-V

 

 

 

 

 

 

 

 

 

-S

FPS-1000 Module C

 

 

 

 

 

 

+V

+S

 

 

 

 

+S

 

 

 

 

 

 

ON/

ON/

ON/

-S

 

 

OFF_1

OFF_1

OFF_1

-S

 

A

B

C

-V

 

 

 

 

 

 

J1(A)-3

J1(A)-12

J2(B)-3

J2(B)-12

J3(C)-3

J3(C)-12

Fig 20-2 Parallel operation with Remote sensing

49

20.2 Series operation

Up to three FPS1000 with the same output voltage rating can be connected in series to increase the output voltage or to create a bipolar voltage source. It is recommended to connect diodes in parallel with each output to prevent reverse voltage in case of failure in one of the power supplies.

Each diode should be rated to at least the power supply rated output voltage and output current. Refer to Fig 20-3 for a typical series connection of power supplies.

 

 

 

 

 

 

 

 

CAUTION

 

 

 

 

 

 

 

Series operation is not applicable for units with I2C bus option.

 

FPS-T1U

 

 

+S

 

 

 

 

 

 

 

 

+V

(*)

+S

 

FPS-1000 Module A

-V

 

 

 

 

 

 

 

 

 

-S

 

+V

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LOAD

 

FPS-1000 Module B

+S

 

-V

 

+V

 

 

 

 

 

 

 

 

(*)

 

 

 

 

 

 

 

-V

-S

 

 

 

 

 

 

 

 

 

 

 

 

 

-S

 

 

 

FPS-1000 Module C

+S

 

(*) Diodes are user supplied

 

 

 

 

 

 

+V

 

 

ON/

 

 

 

ON/

(*)

 

 

 

ON/

 

-V

 

 

 

 

 

 

 

OFF_1

 

OFF_1

 

OFF_1

 

 

 

A

 

B

 

C

-S

 

 

J1(A)-3

J1(A)-12

J2(B)-3

J2(B)-12

J3(C)-3

J3(C)-12

 

 

 

Fig 20-3 Series operation

50

FPS-T1U Instruction Manual

CHAPTER 21 FPS-T1U I2C BUS INTERFACE OPTION

21.1 Introduction

The FPS-T1U rack provides access to the I2C Bus interface in each installed FPS1000/S unit via the rear panel MOLEX female connector located at the rear panel. The Clock is connected to pin 2 and the Data is connected to pin 1. The specifications of the I2C of the FPS1000/S power supplies are kept when they are installed in the FPS-T1U rack. Refer to Chapter 7 for the specifications and all operating details.

21.2 Addressing (A0, A1, A2).

The address line of the FPS1000/S units installed in the FPS-T1U rack are internally fixed Refer to the following table for detailes:

 

A0

A1

A2

 

 

 

 

Module “A”

1

1

1

 

 

 

 

Module “B”

0

1

1

 

 

 

 

Module “C”

1

0

1

 

 

 

 

Note: Address are applicable when modules FPS1000/S (I2C option) are used

CAUTION

The I2C bus address lines, serial clock and data are referenced to the -Sense potential. When using series connection of FPS-T1U racks, do not connect the I2C lines of the units together.

51

CHAPTER 22 FPS-T1U MAINTENANCE

22.1 Introduction

This chapter contains information about maintenance, calibration and troubleshooting of the FPS-T1U rack.

22.2 Units under warranty

Units requiring repairs during the warranty period should be returned to Densei-Lambda authorized service office. Unauthorized repairs performed by other than the authorized service facilities may void the warranty.

22.3 Periodic maintenance

No routine maintenance of the FPS-T1U rack is required except for periodic cleaning. To clean, disconnect the unit from the AC supply and allow 30sec. for discharging internal voltage. The FPS-T1U should be cleaned using mild solution of detergent and water. The solution should be applied onto a soft cloth, and not directly to the surface of the unit. Do not use aromatic hydrocarbons or chlorinated solvents for cleaning. Use low pressure compressed air to blow dust from the unit.

22.4 Adjustments and Calibration

No internal adjustment or calibration are required. Units that are returned for repair will be calibrated at the service office In any case ,opening the cover is not allowed.

22.5 Parts replacement and repair

As repairs are made only by the manufacturer or by its authorized service offices, no parts replacement information is given in this manual. In case of failure, unusual or erratic operation of the unit, contact your nearest Densei-Lambda sales and service office.

52

Notes

53

Notes

56